A local journalist spotted the phenomenon that occurs quite often in Arizona, but rarely at this size.
Pretti's death comes less than three weeks after Renee Good was shot dead by an immigration agent in the city.
Protesters chanted Alex Pretti's name after he became the second person this month to be shot dead by federal agents in Minneapolis.
BBC Analysis Editor Ros Atkins explores how Americans feel about their president during a nonstop start to 2026 shaped by pivotal events at home and abroad.
A severe winter storm that could affect more than 200 million Americans has brought heavy snow, and freezing temperatures.
More than 160 million people in the US are expected to face "extremely dangerous" weather conditions bringing heavy snow and freezing rain.
Lindo and his Sinners co-star Wunmi Mosaku are the only two UK actors nominated for an Oscar this year.
Cosmonaut Sergey Kud-Sverchkov captured the lights over Earth during one of the largest solar storms in more than 20 years.
The BBC's Faisal Islam was in the room when President Trump told his audience that he would not use force in Greenland, but also launched a long argument for why the US should own it.
Immigration agents were looking for two criminals when they raided the Minneapolis home in sub-freezing temperatures.
Jack-knifed trucks were left strewn across the road after heavy snow in Ottawa County, Michigan.
Executive orders, pardons, trips and Truth Social posts - the BBC’s Analysis Editor breaks down Donald Trump’s first year back in office, in numbers.
The 98m-tall Space Launch System moved at a top speed of 0.82 mph (1.3 km/h) over the 4-mile (6.5km) journey.
The owner of this quirky vehicle says it gets a "lot of smiles per gallon" on the streets of Detroit.
Mike Johnson told the BBC he doesn't "foresee military intervention in Greenland" by the US.
Multiple hooded and masked people ransacked Pokémon merchandise and smashed glass card displays at the Manhattan shop.
The BBC's Europe Editor Katya Adler has been reporting from Greenland and dissects why the island has so much value in the eyes of President Trump.
Large crowds have gathered along parts of the 2,300 mile peace walk from Texas to Washington, DC, but the monks expressed surprise at the level of support in North Carolina.
In the swing state of Michigan, supporters in a northern suburb of Detroit reflect on the president’s second term
Concern and surprise in Copenhagen and the ‘Danish Capital of America’ as Trump doubles down on bid to bring Greenland under US control.
Four astronauts who left the International Space Station (ISS) a month early due to one of the crew members falling ill have returned to Earth on Thursday.
