First created during the Cold War, Project Iceworm saw the US plan to store hundreds of ballistic missiles in a system of tunnels dubbed 'Camp Century'.

The drills are to 'check the readiness' of military personnel, weapons and equipment.

An explosion lights up the sky over Kyiv during a Russian drone and missile strike (Picture: Reuters)

The single letter has become one of the most iconic symbols in the world.

Differences in the chemicals people's bodies produce - which some people can even smell - may help detect the disease much earlier on.

Panic erupted on the flight after a bomb threat note was found.

'We don't sell ads', they said in a 2012 blog post quoting Tyler Durden from Fight Club.