A 14-year-old boy has been stabbed to death on a double-decker bus in what police have described as "a horrendous crime", writes BBC.

The victim was killed on the 472 bus on Woolwich Church Street near the junction with the A205 South Circular Road in Woolwich, south-east London, at about 14:30 GMT.

The teenager died at the scene shortly after paramedics from London Ambulance Service and the air ambulance arrived, the Metropolitan Police added.

Ch Supt Louise Sargent said: "Our thoughts at the time are with the victim"s family and friends... I can"t imagine what they must be going through right now".

No arrests have been made but a police cordon and road closures remain in place.