PC Lock was awarded for his bravery after it emerged he had tackled a gunman and saved the life of an SAS soldier.

Lock shouting instructions down to police officers below from the Embassy balcony - Brendan Monks/Getty Images ...

A rare 1957 George Cross medal, discovered for a mere £20 at a car boot sale, is set to go under the hammer and could fetch up to £2m. The prestigious award was bestowed upon Second Lieutenant ...

Others presented the medal by the outgoing president at a White ... for the Democratic presidential nomination in 1968; and George Romney, a former Republican Michigan governor and chairman ...

It led to a six-day stand-off that was ended when the Special Air Service (SAS) stormed the building, and saw Mr Lock receive the George Medal in recognition of his outstanding bravery.

A rare 1957 George Cross, discovered at a car boot sale for just £20, is set to go under the hammer and could fetch up to £2m. The medal was awarded posthumously to Second Lieutenant Michael Paul ...