Iranian Revolutionary Guard commander warned Wednesday's missile attack on base hosting US troops in Iraq is only start of a retaliation.

Ukraine, US officials offer theories behind crash near Tehran, as Trump says he has 'terrible feeling' about disaster.

Zeynab Asadi-Lari was studying to be a doctor, but was killed on Flight 752. Her friends tell The National about her life and her dreams that will never be fulfilled.

Prime Minister Justin Trudeau said his government would "not rest” until there are answers about the cause of the Flight 752 crash. Trudeau said evidence indicates an Iranian missile brought down the plane carrying 63 Canadians.

The National hears from three people who lost a friend or family member when Ukrainian International Airlines Flight 752 crashed.

U.S. President Donald Trump distanced the U.S. from the crash of Flight 752 after American intelligence gave evidence about an Iranian missile causing the plane to go down, killing 176 people.

A day of mourning was declared in Ukraine as the country sends crash investigators to Iran to determine the cause of the crash.

Intelligence officials believe a Ukrainian International Airlines flight shot down in Tehran may have been hit by a Russian-made TOR-M1 anti-aircraft missile. How does the system work and why was it parked so close to a civilian airport?

A mother and her two daughters from Edmonton killed in the crash are remembered for their shared passion to help people.

Canada’s last diplomat in Iran, Dennis Horak, talks to Adrienne Arsenault about the challenges Canada faces as it looks for answers into what brought down Flight 752 because there is no diplomatic relationship between the countries.

General Qassem Soleimani was killed alongside six others following a US air raid at Baghdad's international airport.

Iran's Supreme Leader Ayatollah Ali Khamenei says harsh revenge awaits the "criminals" who killed the commander of its elite Quds Force, Qassem Soleimani.

Iranian-Canadians opposed to the regime in Tehran celebrate the assassination of its top commander — but they fear the consequences.

Deadly attack took place along Taji Road that leads to a base of non-US coalition forces north of Baghdad.

In Washington, Trump’s strategic decision to assassinate Gen. Qassem Soleimani is being met with both skepticism and support.

Democrats question whether US president needed congressional approval, while Trump says he was acting in self-defence.

Thousands in Baghdad are attending funeral procession for those killed in US air raid targeting Soleimani on Friday.

Iran will respond to any further threats: Mousavi

Government says it is investing millions to reduce pollution but many believe quality of fuel in vehicles is to blame.

Iran's top military commander Qassem Soleimani has been killed in US air raids in Iraq's capital Baghdad.

Tensions remain high after weeks of violent protests in Iran left hundreds dead and many looking to see what will follow — more crackdowns or louder calls for change.

Iraq is stepping up its response to mass protests across the country after an attack on an Iranian embassy.

In Iran, candidates began on Sunday to register for Iran's 2020 parliamentary election

Human rights groups say as many as 200 people were killed in crackdown on protesters, while the government puts the figure at around 13.