Four people killed by St Louis storms as severe weather threatens millions in US

Mayor confirms deaths after roofs torn off and trees downed, while multiple states brace for high winds and heat

At least four people died and others were hurt after severe storms including a possible tornado swept through St Louis on Friday, as tens of millions of Americans in multiple states braced for possible damage from expected high winds and severe weather this weekend.

St Louis mayor Cara Spencer confirmed the deaths after storms tore roofs off some buildings, ripped away brick facades and downed trees and power lines as residents were urged to take cover.