President Donald Trump and other officials had to be evacuated from the White House press correspondents' dinner after a man tried to break in with guns.

Forty years ago, one reactor in the Chernobyl power plant, in Ukraine, exploded, leading to the worst-ever nuclear catastrophe.

The Strait of Hormuz, which is a key passage for oil produced in the Middle East, has come to the center of the Iran-US conflict. 

Since the beginning of the Iran-US war, Pakistan has tried to host talks between the two countries, aiming at finding peace.