A two-week ceasefire between the U.S., Israel, and Iran is under threat. Iran’s parliamentary speaker says several conditions have been violated. The main dispute: whether Israel agreed to stop its incursion in Lebanon. The Strait of Hormuz is closed to traffic, and reports of renewed strikes keep the region on a knife’s edge.

And: The Liberals are one seat closer to a majority government. Ontario Conservative MP Marilyn Gladu has crossed the floor to join the Liberals.

Also: “Feel the burn” is a common motivational phrase when you’re working out. But sometimes that pain is a sign that something is seriously wrong. “Exercise-induced rhabdo”, as it’s known, is caused by the sudden breakdown of muscle tissue. Health reporter Christine Birak tells us how likely it is to occur, and how it could be avoided.

Plus: Air Canada tests a new way of dealing with complaints, tensions in Potlotek First Nation over a cannabis raid, and more.