Cdn frigate leaves Halifax harbour for six-month deployment in Persian Gulf HALIFAX - A Canadian warship steamed out of Halifax harbour on Thursday to resume patrols in the Persian Gulf and gain intelligence on potential terrorist activity in the volatile region. Hundreds of weeping family members lined the military dock as HMCS Charlottetown made its way out to sea to begin a six-month mission involving surveillance, boarding suspicious vessels and ensuring the safety of a waterway that's key to the international trade of oil. Commander Patrick St-Denis said the ongoing naval presence is vital in the area despite criticisms that...