Police on 'tragic' Texas shootings in Grapevine

Seven bodies with gunshot wounds have been found in a flat by police in the US state of Texas.

The victims - four women and three men - were discovered on Christmas day in the city of Grapevine, just outside Dallas. Local police said they believed one person shot the other six before committing suicide, NBC 5 reports.

Sgt Robert Eberling said it was "the worst investigation we've had to investigate in many years".