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Mangaluru, May 4: The Mangaluru International Airport was besieged with a harrowing message of terror recently, when an email, purportedly from malevolent elements, menacingly declared the planting of bombs within the airport premises. 

Addressed to the office of the airport authority, the missive, steeped in ominous overtones, bore the ominous signature of a terrorist faction, ominously named 'Terrorizers 111'.

The communication, disseminated in English, ominously detailed the clandestine emplacement of explosives in areas eluding facile detection, accompanied by a chilling warning of their imminent detonation. The threat, ominously looming over not only the infrastructure but also the airborne vessels, portended a catastrophic deluge of bloodshed and loss.

In response to this dire communiqué, airport authorities swiftly engaged the apparatus of law enforcement, dispatching urgent alerts to the vigilant guardians of public safety. Acting upon the dictates of higher echelons, a formal dossier of this menacing correspondence was meticulously compiled, cloaked in the veil of confidentiality to thwart any premature dissemination.

Mangaluru International Airport found itself in grim camaraderie with more than 30 counterparts under the aegis of the Airport Authority of India (AAI) and private domains, all recipients of this chilling electronic diatribe. A comprehensive net of precautionary measures was swiftly cast, fortifying the bastions of security in anticipation of any nefarious designs lurking within the shadows.

Washington, May 11: The most powerful solar storm in more than two decades struck Earth on Friday, triggering spectacular celestial light shows from Tasmania to Britain -- and threatening possible disruptions to satellites and power grids as it persists into the weekend.

The first of several coronal mass ejections (CMEs) -- expulsions of plasma and magnetic fields from the Sun -- came just after 1600 GMT, according to the National Oceanic and Atmospheric Administration (NOAA)'s Space Weather Prediction Center.

It was later upgraded to an "extreme" geomagnetic storm -- the first since the "Halloween Storms" of October 2003 caused blackouts in Sweden and damaged power infrastructure in South Africa. More CMEs are expected to pummel the planet in the coming days.

Social media lit up with people posting pictures of auroras from northern Europe and Australasia.

"We've just woken the kids to go watch the Northern Lights in the back garden! Clearly visible with the naked eye," Iain Mansfield in Hertford, England, told AFP.

That sense of wonder was shared in Australia's island state of Tasmania.

"Absolutely biblical skies in Tasmania at 4 am this morning. I'm leaving today and knew I could not pass up this opportunity," photographer Sean O' Riordan posted on social media platform X alongside a photo.

Authorities notified satellite operators, airlines, and the power grid to take precautionary steps for potential disruptions caused by changes to Earth's magnetic field.

Elon Musk, whose Starlink satellite internet operator has some 5,000 satellites in low Earth orbit, described the solar storm as the "biggest in a long time."

"Starlink satellites are under a lot of pressure, but holding up so far," Musk posted on his X platform.

Unlike solar flares, which travel at the speed of light and reach Earth in around eight minutes, CMEs travel at a more sedate pace, with officials putting the current average at 800 kilometers (500 miles) per second.

The CMEs emanated from a massive sunspot cluster that is 17 times wider than our planet. The Sun is approaching the peak of an 11-year cycle that brings heightened activity.

'Go outside tonight and look'

Mathew Owens, a professor of space physics at the University of Reading, told AFP that how far the effects would be felt over the planet's northern and southern latitudes would depend on the storm's final strength.

"Go outside tonight and look would be my advice because if you see the aurora, it's quite a spectacular thing," he said. People with eclipse glasses can also look for the sunspot cluster during the day.

In the United States, this could include places such as Northern California and Alabama, officials said.

NOAA's Brent Gordon encouraged the public to try to capture the night sky with phone cameras even if they couldn't see auroras with their naked eyes.

"Just go out your back door and take a picture with the newer cell phones and you'd be amazed at what you see in that picture versus what you see with your eyes."

Spacecraft and pigeons

Fluctuating magnetic fields associated with geomagnetic storms induce currents in long wires, including power lines, which can potentially lead to blackouts. Long pipelines can also become electrified, leading to engineering problems.

Spacecraft are also at risk from high doses of radiation, although the atmosphere prevents this from reaching Earth.

NASA has a dedicated team looking into astronaut safety and can ask astronauts on the International Space Station to move to places within the outpost that are better shielded.

Following one particularly strong flare peak, the US Space Weather Prediction Center said users of high-frequency radio signals "may experience temporary degradation or complete loss of signal on much of the sunlit side of Earth."

Even pigeons and other species that have internal biological compasses could also be affected. Pigeon handlers have noted a reduction in birds coming home during geomagnetic storms, according to NASA's Jet Propulsion Laboratory.

Officials said people should have the normal backup plans in place for power outages, such as having flashlights, batteries, and radios at hand.

The most powerful geomagnetic storm in recorded history, known as the Carrington Event after British astronomer Richard Carrington, occurred in September 1859.

Mangaluru: A native of Kerala was arrested on charge of misbehaving with crew on an Air India Express flight while travelling from Dubai to Mangaluru International Airport. The man even threatened to jump from the aircraft, according to officials. 

Siddartha Das, the security coordinator for Air India Express, lodged a complaint against the passenger, identified as Muhammad BC from Kannur, Kerala, after which he was caught by the airport security once the flight landed at Mangaluru. He was later handed over to the police.

DCP (Law and Order) Sidharth Goyal said the incident occurred on Flight IX814 on May 8.

When the flight was above the sea, Muhammad reportedly said he wanted to get off the plane, posing a threat to all on board. The unruly flyer was detained by airport security once the flight landed at Mangaluru International Airport and he was handed over to Bajpe police station officials.

Sources added once the flight took off from Dubai, the accused went to the lavatory and thereafter started inquiring with the cabin crew about a person named Krishna who was not on the flight. Muhammad kept on pressing the bell for in-flight assistance, even though the cabin crew members were near at hand. He then picked up a life jacket, gave it to a crew member, and said he wanted to use it upon landing.