Police say they are investigating after a robbery at the TD Bank's ATM on Quinpool Road.

They say a 21-year-old woman was using the bank machine when a man came up behind her and demanded money, saying he would stab her.

Police say the woman didn't see a knife.

They say it happened at 8:25 p.m. and the suspect ran away with an undisclosed amount of cash.

Police are looking for a white man with light-coloured hair in his 30s.

They say he was wearing jeans and a black hoodie at the time.