Your World Tonight

Prime Minister Mark Carney says Canada/U.S. relations have ruptured, but he’s confident there will be progress in trade talks. Carney says he doesn’t consider that relationship to be his main focus; he says there is enough to do in Canada.

And: Researchers are calling for wider screening for a major cause of heart attacks.

One in five people are at risk because of their level of Lipoprotein A. But it doesn't get picked up by routine cholesterol testing. Doctors say all adults should get checked at least once in their lives.

Also: There’s been an alarming spike in the number of grey whales found dead off the Pacific coast. It's not just in Canada it’s happening in U.S. waters, too. And experts say more deaths are likely.

Plus: Toronto police racism/antisemitism allegations, U.S. - Iran ceasefire, Lebanon funerals, Nova Scotia fracking, and more.

Prime Minister Mark Carney says the U.S. won’t dictate terms when the two countries meet to talk trade.

And: U.S. President Donald Trump has indefinitely extended the U.S. ceasefire with Iran. It was supposed to end today. Despite the truce Trump says the U.S. blockade of Iran's ports in the Strait of Hormuz will continue. And Iran fired on and seized several ships in strait.

Also: Children in Britain, and anyone born in the future, will never be able to legally buy cigarettes there. Lawmakers have voted to ban the sale of tobacco products to anyone born after January 1, 2009. The goal is to create the first smoke-free generation.

Plus: Gene therapy for deafness, Ottawa considers turning the former Kingston Penitentiary into housing, Air Transat and Lufthansa cut thousands of flights as jet fuel prices soar, and more.

The US - Iran ceasefire is extended. After a day of mixed messages, where U.S President Trump signalled that he would not extend the ceasefire, he reversed course. We’ll break down the latest developments.

And: It’s Canada’s most important trading relationship, but the sailing has not been smooth of late. Prime Minister Mark Carney has formed a new advisory group to guide Canada through the rough seas of U.S. trade talks.

Also: Canada wants to start launching Canadian rockets into space. A change to federal laws would introduce safety and security requirements, and establish financial responsibility for a Canadian commercial space industry that could be worth $40 billion.

Plus: Details on the shooting death of a Canadian in Mexico, the King's upcoming visit to the U.S., renewable and energy municipality struggle over data centre, and more.

The war in the Middle East is pushing up the price of pretty much everything here in Canada. The inflation rate rose to 2.4 per cent in March — largely driven by the price of oil. One of the biggest jumps — the cost of food.

And: Ottawa says the number of people who enrolled in the Canadian military surged in the last year. But the number of people who left the military also went up.

Also: Uncertain — that’s the status of peace negotiations between the U.S. and Iran. The American delegation is supposed to be in Pakistan on Tuesday for the talks. Iran says it hasn’t decided yet to go.

Plus: Lebanon ceasefire holding — so far, Starmer’s fate up for debate, B.C. pauses its plans to amend how the government works with Indigenous peoples, and more.

Mark Carney is doubling down on his “Canada Strong” message ahead of a key trade review deadline. In an address posted on YouTube, the prime minister vows to diversify the economy, and protect Canada’s future -- no matter the political climate. And who he quotes might provide the biggest clues of all.

Also: Nearly two million Canadians are believed to have ADHD. But the diagnosis is highly gendered.
Boys and men are not only more likely to get a diagnosis, but it's often discovered much earlier.
That's why researchers at the University of Calgary are looking for hundreds of women and girls to study how ADHD affects them throughout their lives.

And: They're the voice of students across the country. But many of Canada's campus radio stations are at risk of going silent. The student unions who fund them say radio is outdated, lost in the noise of social media. However, there is a renewed push to see an on-campus radio resurgence.

Plus: U.S. and Iran prepare for a new round of peace talks, Mass shooting kills eight children in Louisiana, Preserving Ukraine's cultural heritage, and more.