The Brighton bombing: 25 years on

Guests at the Grand Hotel in Brighton, after a bomb attack by the IRA. Five people were killed and 34 injured on 12 October 1984 when the IRA bombed the hotel Photograph: John Downing/Hulton Archive/Getty Images

The scene outside the Grand Hotel, Brighton after the bomb Photograph: PA Archive

The scene outside the Grand Hotel in Brighton, after a bomb attack by the IRA Photograph: John Downing/Hulton Archive/Getty Images

The exterior of the Grand Hotel, Brighton, after a bomb explosion Photograph: PA

Margaret Thatcher and her husband Denis leave the Grand Hotel after the IRA attack. With them in the car is Margaret's friend and aide Cynthia Crawford Photograph: John Downing/Hulton Archive/Getty Images

Firefighters working in the wreckage where victims of the IRA bomb were found among the debris at the Grand Hotel in Brighton Photograph: PA

A firefighter inside the Grand Hotel in Brighton, after a bomb attack by the IRA Photograph: John Downing/Hulton Archive/Getty Images

Debris in Thatcher's Napoleon suite bathroom on the first floor of the Grand Hotel, Brighton, following the IRA bomb blast Photograph: PA Archive

Rescue workers carry a bomb victim on a stretcher after the terrorist bombing of Brighton Photograph: Keystone/Hulton Archive

Firefighters inspect the wreckage at the Grand Hotel Photograph: PA Archive

Thatcher returns to the scene of the bomb on the afternoon following the explosion Photograph: Rex Features

Exterior of the Grand Hotel after the explosion Photograph: Bettmann/Corbis

Police officers search Brighton beach for evidence Photograph: Herbie Knott/Rex Features

The union flag flies at half mast over the Grand Hotel, 12 October 2009, 25 years after the Brighton bombing Photograph: Peter Macdiarmid/Getty Images