Missiles were launched at officers by punters at the unlicensed music event in a venue on Thames Road, Barking, on Saturday night, the Met Police said.Four of those injured required hospital treatment and nine men were arrested at the disturbance.Around 1,000 people were discovered outside the building after authorities were called at 9.45pm, with a further 1,000 revellers found inside.

Road closures around the area will remain in place for the rest of Sunday and officers are still in place at the scene.

Temporary chief superintendent Sean Wilson said: "A number of officers were injured whilst going about their duties and this will not be tolerated.

"A full investigation has been launched and we will endeavour to bring those responsible to justice.

Who will be voted off Dancing With The Stars Week 4?

Season 22 of DWTS is officially under way, and already some obvious frontrunners are standing out from the pack. C.’ fame was voted off the ABC dance competition – and we all saw that one coming a mile away.

However, Week 4’s Dancing With The Stars predictions are a bit up in the air.

We broke down who we think will be voted off Dancing With The Stars 2016 during Disney Week.

Let us know who you think will be going home in the comments below and don’t forget to vote in our poll!

Definitely Safe Nyle Di Marco and Peta Murgatroyd: 25 Last week Nyle Di Marco and his pro partner Peta scored the first 9 of the season during Latin night.