Belongings of a lady been snatched by an unknown nationality man at 12am++

I was having supper at restaurant sri manja with friends. suddenly heard of a lady scream and everybody in the restaurant get out of the restaurant to find out what's happening. unfortunately all of us only see the back of unknown nationality man already ran far from all of us. The crime spot is dark because of faulty street lamp. We saw police car come around the crime spot an hour after, not sure they come for the crime or what's not.