He got into a fight with 3 fellow Canadian tourists, when he confronted a man hitting a woman.
Jordan Morrison, of Barrie, Ont., is seen in this undated image.
"According to the stories told to his friends, Mr. Morrison had intervened to defend a woman during an argument when three fellow Canadian tourists from Quebec ganged up on him.
Monette said four Canadian citizens have been detained by police in the Dominican, but could not provide any other details.
The alleged altercation took place in a bar at the Grand Paradise Bavaro resort."