Robert Tollast

At least 100,000 Coalition troops were sickened by poison gas after chemical weapons were bombed, but were Iraqi civilians also harmed?

The northern Iraqi city still lies largely in ruins after its liberation

Without funds and competent planning, Iraq's second city is struggling to rebuild

Iraq has one of the highest rates of firearms ownership in the world

Rising populations and dwindling water supplies present region's biggest challenge

Manhunt launched as pilot flees towards border after being forced to land

Greece is increasingly complying with EU and US pressure to curtail Russian oil shipments

Massacre in Uvalde that left 21 people dead is the deadliest incident at a US school in about a decade

America, Russia and China are racing to develop very fast weapons that give little time to react

Country is reporting record oil revenue but cannot pass budget without new government

Delay in ratifying federal budget has caused financial chaos

Russia's invasion of its neighbour has caused global food prices to rise sharply

Tens of thousands of coalition soldiers suffered chronic symptoms after 1991 conflict in Iraq

A court decision in February ruled that the region had no right to independently export oil

Around the world, militaries use counters, dice and playing boards to examine future risks in conflict