Your World Tonight CBC News & Politics

The U.S. and U.K. announce new sanctions against Iran, as the west tries to show it has a coordinated strategy to deal with the Islamic Republic. Also: Cancer screening guidelines are long out of date, says a group of experts. And they claim the independent body responsible for updating them isn’t listening. Plus: The largest election in world history begins Friday in India. Almost a billion people are registered to vote over the next six weeks. Prime Minister Narendra Modi is seeking a third term in office with his Hindus-first policy on the line.

Police make arrests connected to a dramatic gold heist at Toronto’s Pearson International Airport last year. The gold is still missing, and police are still searching for suspects. And you might be surprised to hear who has been arrested so far. Also: A rain bomb hits Dubai and the surrounding desert kingdoms. Two years of rain in a couple of days has turned roads into rivers and airport runways into lakes. Plus: Private eye clinics are charging for surgeries that are already covered by provincial health plans. Victims say it’s destroyed their faith in the doctors they trusted.

Ottawa unveils a budget aimed at millennials and gen Z. Amid the promises… a plan to recoup the costs with economic growth and taxes on the wealthy. Plus: The UK is one step closer to passing a lifetime smoking ban for those aged 15 and younger. The UK could become the first country to make cigarette sales illegal for an entire generation. Also: The Olympic countdown has begun. 100 days until the Paris games begin. Canadian athletes are showing off their stylish new kits and getting excited for the competition - despite security concerns in Paris.

Israel’s war cabinet meets to respond to Iran’s missile and drone attack. World leaders urge restraint. And: Jury selection at Donald Trump’s long-awaited hush money trial in New York. Many jurors were quickly dismissed after they said they could not be fair or impartial. Plus: Oceans around the world are experiencing a mass coral bleaching event. The water is too hot, and the coral is turning white, or even dying.

Israel is weighing its options on how to respond to a drone and missile attack from Iran - as other world leaders work to figure out how to prevent further escalation. Also: Tuesday's federal budget is expected to include billions of dollars to tackle the housing crisis. But how will Ottawa pay for its ambitious goals? Plus: We talk to one Olympic hopeful in Lethbridge, Alberta - who is striking a balance between athletics and motherhood.

Iran has begun an extensive drone attack on Israel - as retaliation over an air strike that killed top Iranian commanders. Also: Chaos and fear in an Australian shopping centre - as six people are killed in a mass stabbing attack. Plus: A group of Canadian teens has been recruited as online fact checkers to help Tik Tok users separate truth from falsehoods.