Beirut explosion: What is ammonium nitrate and how dangerous is it?

Ammonium nitrate has been blamed for a deadly explosion in Beirut, but what exactly is the chemical?


Beirut blast: Frantic search for survivors of deadly explosion

More than 100 people are missing after a massive explosion devastated the port area of Beirut.

Beirut blast: Dozens dead and thousands injured, health minister says

The explosion has caused widespread damage, with hospitals struggling to treat all the casualties.

Beirut blast: Eyewitnesses describe the power of the explosion

Eyewitnesses describe the power of the deadly explosion that rocked Beirut.

Spain puzzles over ex-King Juan Carlos's whereabouts

Embattled ex-King Juan Carlos left weeks after he was linked to a probe into alleged corruption.

China Uighurs: A model's video gives a rare glimpse inside internment

Seven months ago Merdan Ghappar disappeared in Xinjiang. Then his family started getting messages.

Tropical Storm Isaias lashes US East Coast, killing at least four

The storm caused flooding and tornadoes and has resulted in at least four deaths on the East Coast.

Obesity not defined by weight, says new Canada guideline

A new Canadian clinical guideline aims to reduce stigma against overweight patients.

Belarus ruler Lukashenko says Russia lying over 'mercenaries'

Days from a key election, President Alexander Lukashenko accuses Russia of a violent plot.

UN pledges to help Mali rebuild heritage sites damaged in conflict

Parts of the life and culture of the country's Land of the Dogon have been destroyed in conflict.