A police helicopter is being used in a major search for a suspect in north London after the death of a one-year-old baby.

A girl of the same age, believed to be his twin sister, is in a critical condition in hospital.

Paramedics and police were called to a flat in Finsbury Park late last night.

Reporter Charlotte Lomas is at the scene:

Police at the scene on Wilberforce Road in the Finsbury Park area of London.