Emergency services receive a harrowing call from a young woman who has discovered her flatmate dead in their home in Gateshead. A tiger on the loose in a residential US neighbourhood causes panic.

The horrific story of how a chimpanzee made a brutal attack that would change lives forever. Plus, a chilling call from an online predator that revealed a shocking murder confession.

A beautiful September morning in Kent turns to carnage when fog suddenly hits the Sheppey Crossing, creating one of the biggest road traffic accidents in UK history.

As runners neared the finishing line at the 117th Boston marathon, two bombs were detonated. Dramatic 911 calls and interviews tell the traumatic story of the attack.

A dramatic 911 call reveals that a helicopter crash has taken place, as a wealthy entrepreneur and his friends fly to visit his ranch in New Mexico. In north London, a worshipper becomes ill outside a mosque.