Police are hunting thieves who snatched a mobile phone from a child's hands.
Three youths mugged a 12-year-old boy after approaching him in Central Parade, New Addington around 5pm on Wednesday.
One of the youths grabbed his phone and all three then ran off.
The thieves were all black men wearing dark clothes.
Anyone who witnessed the incident or has information on it should contact Croydon police on 101 or call Crimestoppers on 0800 555 111.