Stampede at Love Parade in Germany

Panic spread after hundreds of thousands of music revellers were funnelled into a single highway underpass Photograph: Getty Images

Police officers lift up a woman from the crush outside the tunnel Photograph: Reuters

Chaos broke out after people continued to fill into the festival via a single entrance after being told over loudspeakers to turn back Photograph: Hermann J Knippertz/AP

An image taken from television showing people trying to escape Photograph: AP

Organisers have been criticised for allowing just one entrance into the music festival despite an expected crowd of 1.4 million people Photograph: Reuters

An aerial view of the festival. Police made the decision to allow it to continue after the stampede Photograph: Joerg Ehms/AP

Festivalgoers are attended to by paramedics Photograph: Getty Images

Rescue workers attend an injured person as firefighters and police officers stand beside casualties Photograph: Stephan Eickershoff/AP

People receiving first aid after collapsing in the crush Photograph: Hermann J Knippertz/AP

A wall decorated with flowers to commemorate the victims of the stampede Photograph: Wolfgang Rattay/Reuters

Demolished crowd barriers in the tunnel Photograph: Getty Images

An emergency pastor arrives at the scene of the accident Photograph: Getty Images

Officers investigate the site near a staircase that many in the crowd used as an escape route Photograph: Getty Images/Getty Images

Police officers and journalists walk through the tunnel Photograph: Thomas Peter/Reuters