Thousands of US flights cancelled or delayed and several states under tornado watch Sky News

The parasitic flies eat cattle and other warm-blooded animals alive, with an outbreak beginning in Central America and southern Mexico late last year.

A state of emergency has been declared in South Carolina as wildfires caused by dry and gusty conditions have forced people to evacuate some areas. More than 175 fires covered…

The chief executives of some of the world's biggest banks have held private talks about the carnage in financial markets and the global economy precipitated by President Donald Trump's tariffs…