A 13-year-old boy was killed and four other people, including two police officers, were seriously injured in sword attack at a subway station in London during Tuesday morning's rush hour.

A man wielding a sword attacked members of the public and police officers in an east London suburb, killing a 13-year-old boy and injuring four others, authorities said.

Emergency crews rushed to Hainault, east London, after receiving reports of a man with a sword at 7am. Officers were also called to the Thurlow Gardens area of the city after receiving reports of a vehicle being driven into a property.