UPDATE: Friends and Family identify Canadian woman killed in nightclub shooting in Instanbul

A Canadian killed in an attack at a nightclub in Istanbul has been identified by family members as a Milton, Ont. woman.

A gunman opened fire in the Reina club around 1:15 a.m. Sunday.

Prime Minister Justin Trudeau confirmed a Canadian was among the 39 killed it the attack. As many as 70 others were wounded.

In a statement Trudeau said: "We mourn with the people of Turkey today and with all countries who lost citizens in this vicious attack."

"We also grieve the senseless loss of a Canadian citizen and remain steadfast in our determination to work with allies and partners to fight terrorism and hold perpetrators to account."

Family members confirmed to CTV News late Monday afternoon that Alaa Al-Muhandis had been killed in the attack.

The Islamic State group claimed responsibility for the mass shooting attack.

With files from CP24 and The Canadian Press