Officers from the Met Police came under attack last night as they attended reports of hundreds of masked revellers at a hackney party.
Officers arrived on the scene at 2340 hours to be confronted by over 400 people on Bethune Road in Hackney.
During the incident officers recovered a knife and managed to disperse the group at 0200 hours
The Met Police quickly deployed public order orders in riot gear, dog units and the helicopter.
