Israel’s wave of predawn airstrikes across Gaza shattered two months of relative calm during a ceasefire with Hamas.

Dozens of protestors held a noisy rally in front of Calgary city hall on Tuesday to condemn Israel over a new round of airstrikes on the Gaza strip.

The wave of Israeli strikes that killed hundreds of Palestinians across the Gaza Strip early Tuesday was the culmination of Prime Minister Benjamin Netanyahu’s efforts to get out of the ceasefire with ...