Armed police leave an entrance of a Columbia Mall after a shooting took place
Media playback is unsupported on your device
Video

Deadly Maryland shooting 'was mayhem'

A gunman opened fire at a shopping centre in Maryland in the US, killing two people before apparently taking his own life, police say.

The incident took place at a mall in the Baltimore suburb of Columbia.

Beth McLeod reports.

Go to next video: Inside the Met’s elite firearms unit