Deadly storms and tornadoes strike US state of Michigan

Onlookers captured footage of the moment a tornado swept through Union City in the US state of Michigan, destroying homes and uprooting trees.

A separate video shows people seeking shelter indoors as another tornado in the city of Three Rivers sent large chunks of debris and dust flying across a car park.

Authorities reported at least four people were killed and numerous others injured when stormy weather struck, with severe damage reported across several cities.