Your World Tonight

A large chemical tank in Southern California is at risk of exploding at any moment. It's triggered a state of emergency and the evacuation of tens of thousands of people. Crews are now racing the clock to cool it down before it ruptures.

Also: Time is also ticking to get a handle on the Ebola outbreak in Central Africa. Health authorities in Uganda confirmed three new Ebola cases on Saturday, bringing its total case count to five. This week, the World Health Organization raised the risk to the region to the highest level since the outbreak was first detected in neighbouring Democratic Republic of Congo. And now, ten more countries are under threat, as the virus continues its rapid spread.

And: Since 1927, CBS News Radio has kept millions of Americans informed. Its had extensive reporting on everything from the Great Depression to the 2008 recession, the Second World War to the War with Iran. But now, CBS News Radio has signed off for good. We'll take a look at its legacy.

Plus: South Korean submarine lands in B.C., Hezbollah's use of drones, Animal therapy in Gaza, and more.

Separation anxiety. Premier Danielle Smith says she is putting the question of separation to Albertans in a fall vote. The measure is drawing criticism from all sides, from the NDP’s Naheed Nenshi, who is the provincial opposition leader, to the leader of Alberta’s independence movement.

Ottawa is also looking West, and keeping a close eye on the situation in Alberta. Prime Minister Mark Carney says the energy-rich province plays a key role in Canada’s future, while the federal Conservative Opposition Leader Pierre Poilievre promises his party will campaign for a united country over the coming months.

And: High ‘steaks.’ Why the price of beef is getting harder to swallow, just in time for the summer grilling season.

Plus: Health Canada addresses Ebola concerns, Kitchener, Ontario encampment battle, Canadian Gaza flotilla activists start to return home, and more.

Global worries over the Ebola outbreak in the Democratic of Congo and Uganda filter to Canada after news Ontario is testing a man who recently been to the African region, and a Paris-bound flight to Detroit was diverted to Montreal because of a Congolese passenger, and new U.S. travel restrictions.

Plus: Referendum Contemplation. The questions facing Alberta Premier Danielle Smith, and whether she plans to trigger a fall referendum asking voters if they want to stay in, or secede from Canada.

And: The Late Show with Stephen Colbert signs off for the final time, ending 11 seasons of celebrity interviews and political satire after CBS axed the program amid speculation the cancellation was motivated by pressure from U.S. President Donald Trump.

Also: Carney government mulls changes to Canada’s labour laws, Pentagon’s Canada-U.S. defence board pushback, SpaceX’s IPO, and more.

A look at the spending math as Ottawa’s parliamentary budget watchdog says hosting the FIFA World Cup will cost taxpayers more than $1 billion.

And: Prime Minister Mark Carney goes to B.C. after premier David Eby accused the federal government of rewarding separatist behaviour by signing a deal with Alberta. The deal includes a preferential carbon price and an agreement to fast track pipelines.

Also: Health officials say the ebola outbreak in Central Africa is likely to get worse before it gets better. There are more than 600 suspected cases of a strain so rare it hasn’t been seen in more than a decade — and there is no vaccine.

Plus: Raúl Castro indicted in the U.S., backlash against Israel’s national security minister for mocking flotilla activists, new global warming projections, and more.

An iconic Canadian air show is going to be put on pause. The military’s Snowbirds squadron will be grounded until at least 2030 amid concerns the planes aren’t safe. The current planes were first commissioned by the military in the late 1960s. The plan is to replace them, but it will be years before the new ones arrive.

And: Prime Minister Mark Carney is playing down a decision by the Trump Administration to abandon a Canada/U.S. defence panel. The panel has been around since the Second World War, but Carney says he “wouldn’t overplay the importance” of the decision.

Also: From hantavirus on a cruise ship, to an ebola outbreak in East Africa… is the world ready for the next pandemic? Is Canada? We look at where things stand.

Plus: Inflation highest in nearly two years, pushback for U.S. Justice Department's "anti-weaponization fund", Churchill Falls review, and more.