She had been playing with her three-year-old cousin at a grass patch near Block 188, Bukit Batok West Avenue 6, when she was approached by a teenager.

He was holding what was believed to be a knife, and demanded that she hand over the mobile phone. The girl was too scared to resist.

He then grabbed the phone and fled on a motorcycle ridden by an accomplice.

Anyone with information can call the Police hotline at 1800-255-0000.