UPDATE: Henry Alexandre Elliot was found Thursday morning in Boucherville. He walked there and is in good health, police say.

The original story follows

Police are searching for a man who is 30 but has the mental age of a 7-year-old.

Henry Alexandre Elliot is autistic. He left his home in the Plateau-Mont Royal borough on foot around 3 a.m. Thursday morning. Elliot enjoys walking and can walk for hours, police say.

He was wearing a red tank top, black and beige shorts and green sandals when he disappeared.

Elliot stands 1.91 metres (6’3”) tall and weighs 133 kilograms (293 lbs). He has brown skin and black hair.

Anyone who spots him is asked to contact Info-Crime at 514-393-1133.