In tonight’s top story: It may be early in the season, but wildfires are already threatening communities in western and northern Canada. Alberta and British Columbia are battling more than 160 wildfires. But it’s two fires of note that are causing the most concern — a growing fire near Fort Nelson, B.C. and an out-of-control fire in Fort McMurray, Alta. Alissa Thibeault reports from B.C., where the Parker Lake blaze has more than doubled since Friday.

Meanwhile, with the rise of encampments at university campuses across Canada, there are concerns over the police response. Global’s Ottawa bureau chief Mercedes Stephenson speaks with Kamal Khera, the minister of diversity, inclusion, and persons with disabilities, about the protests.

The situation is growing more dire in Rafah, as the threat of Israel’s inevitable incursion looms over more than a million Palestinian refugees. Israel’s military issued more evacuation orders Saturday as it intensified its airstrikes. Humanitarian groups warn that designated evacuation zones are hardly any safer, and food and supplies are running dangerously low. Mackenzie Gray reports on the situation in Gaza.

Devastating floods in Brazil may be getting worse, with up to 150 millimeters of rain forecast for the weekend. At least 136 people have died,125 others are missing and, according to the government, more than 400,000 people are displaced. Mike Armstrong has the latest.

The situation in the western Darfur region is growing increasingly dire. The city of Al Fasher is effectively surrounded by a paramilitary group and Arab militias. Aid agencies are warning of a major malnutrition crisis in the region and there are fears thousands could be targets of ethnic violence as the conflict rages on. Redmond Shannon spoke to one man inside the besieged city.

Scientists working to decode the language of whales have opened a new window into oceanic communication. After analyzing years of vocalizations of sperm whales, they found the animals use thousands of clicking noises to form a sort of phonetic alphabet. Neetu Garcha explains.

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