Boy, 15, who hit girl, 7, on stolen motorbike then left her to die jailed

Katniss Seleznev was playing with her twin brother and older sister outside their home in Walsall when she was hit by the 15-year-old boy (Picture: Facebook/BPM)

A teenager who killed a seven-year-old girl while riding a stolen motorbike at speeds of up to 52mph has been locked up for five years.

Katniss Seleznev was playing with her twin brother and older sister outside their home in Walsall when she was hit by the 15-year-old boy, who cannot be named, on a blue Suzuki bike.

Her...