India, March 6 -- San Francisco Mayor Daniel Lurie's police security detail was "attacked" at the boundary of the Tenderloin on Thursday evening. While the mayor was unharmed, one unnamed San Francisco police officer sustained a head injury that left him bleeding from the back of his head. One more member of Lurie's security detail received injuries.

"There was an altercation this evening involving the mayor's security detail. The mayor was not involved. We appreciate our SFPD officers for their quick response and for keeping our city safe every day," KTVU reported, citing a spokesperson from the mayor's office.

According to the law enforcement, the event occurred at approximately 5:40 p.m. close to Cedar and Polk streets. Officers enga...