Air travel continued to be severely disrupted in the United States on Saturday, with bad weather in parts of the country adding to the impact of a massive spike in Covid-19 infections fuelled by the Omicron variant.

Stranded Americans have been warned by US officials to stay away from the Kabul intrnational airport.

At least three people have been killed by gunfire at the passenger terminal of Kabul's international airport as US forces opened fire to disperse panicking crowds seeking to flee the country.