Canada’s security operation for G7 summit faces unorthodox threat … bears

Apex predators are one of several large and unpredictable animals concerning officials in foothills of Rockies

• G7 summit on wildfire watch for Trumpian explosions in Canada

Security preparations for G7 summits normally involve the elite close protection afforded to world leaders, and then a series of of concentric defences against street demonstrations and protests.

Not in the Rockies.