Police have revealed why they were searching Colliers Wood on Monday afternoon.

Residents reported seeing police cars "flying" down streets with police dogs out in force as well.

Now a police spokeswoman has said: "officers saw a male acting suspiciously in Cavendish Road at 3.09pm on October 14.

"As officers attempted to stop him, the male made-off on foot.

"Officers chased him but he got away.

"The area was searched but there was no trace of the male."