PHILADELPHIA (CBS) – Philadelphia police are asking for the public’s assistance in finding a missing 72-year-old man.

According to police Tik Lam was last seen at his home on the 800 block of Locust Street on Tuesday, Nov. 13th around 4 p.m.

Police say Lam suffers from dementia. He is 5-foot-4 with gray hair and brown eyes. He weighs about 125 lbs and was last seen wearing a blue flannel shirt, black vest, jeans and black sneakers.

Police are asking anyone with information to call 911 or 215-686-3193.