Archives reveal confidential government information from 30 years ago

Newly released government documents from 30 years ago are shedding light on how Margaret Thatcher dealt with some of the most difficult issues of her time in Downing Street.

The papers show that during the miners' strike her government considered calling out troops and that the miners' leader Arthur Scargill may have been right to claim there was a "hit-list" of pits marked for closure.

They also reveal that Libyan officials warned of potential violence hours before the policewoman, Yvonne Fletcher, was murdered outside the Libyan embassy in London.

Nick Higham reports.