Police attend to an incident near London Bridge in London, Britain, June 3, 2017. REUTERS/Hannah McKay

LONDON (Reuters) - Three major London hospitals said on Sunday that they were on lockdown after attacks near London Bridge late on Saturday in which up to seven people are feared dead.

“Due to the ongoing incident in central London, Guy’s, St Thomas’ & @EvelinaLondon are on lockdown to keep patients, relatives and staff safe,” the authority that runs the hospitals said on Twitter.

Guy’s Hospital is next to London Bridge rail station, and St Thomas’ Hospital and the Evelina children’s hospital are located a mile away.