Three people died and a dozen people have been injured in a storm in southern Michigan, according to the sheriff's office.

Three people died and a dozen people have been injured in a storm in southern Michigan, according to the sheriff's office.

Roofs torn off and trees knocked down in Union City as more than 7m Americans at risk of severe weather

At least eight people were reported dead over two days after severe storms and tornadoes struck in Oklahoma and Michigan.

Tornadoes that swept through Michigan and Oklahoma on Friday killed at least six people and injured several others, authorities in both states said.

Four people were killed in Michigan and two died in Oklahoma, officials say, as severe storms swept across parts of the US.