Dhaka, June 16 -- Group of Seven leaders gather in the Canadian Rockies starting on Sunday amid growing splits with the United States over foreign policy and trade, with host Canada striving to avoid clashes with President Donald Trump.While Prime Minister Mark Carney says his priorities are strengthening peace and security, building critical mineral supply chains and creating jobs, issues such as U.S. tariffs and the conflicts in the Middle East and Ukraine are expected to feature heavily.US ally Israel launched a barrage of strikes across Iran on Thursday, a blow to Trump's diplomatic efforts to prevent such an attack.The summit will take place in the mountain resort of Kananaskis, some 90 km (56 miles) west of Calgary.The last time Can...