SINGAPORE - The police are appealing for information on two missing persons.

In the first case, 13-year-old Muhammad Dhaifan Syakirin Riduan was last seen at Block 452 Hougang Avenue 10 on Tuesday.

The 1.7m tall teen was wearing a white T-shirt and blue shorts.

In the second appeal, police are asking for information on the whereabouts of Mr Muhammad Afiq Kamis, 21.

Mr Afiq, who is also about 1.7m tall with a slim build, was last seen along Hougang Avenue 5 on Wednesday. He was wearing a green singlet, black shorts and white sports shoes.

Those with information can call the police hotline on 1800-255-0000, or submit information online at www.police.gov.sg/CrimeStopper.

All information will be kept strictly confidential.