A female police officer was kicked in the face and male officer was bitten during a violent incident at a hospital in west London.
The Metropolitan Police officers had arrested a 24-year-old man at a hospital in Hammersmith on Friday when he lashed out.
The man spat at both officers, getting saliva in their eyes and mouths, Hammersmith and Fulham police said.
He then kicked the female officer in the face leaving her with a bleeding nose and bruised cheeks.
Her colleague was also kicked in the face and bitten on the hand.
A police spokesman said: “Both officers received medical treatment and medication for their injuries.
“The male suspect still remains with police in hospital.”