Link between kitchen window and rainscreen cladding system 'primary cause of the early stage' of Grenfell fire, says expert

Grenfell Tower was wrapped in a cladding system that did not comply with building regulations and was incorrectly installed, creating "multiple catastrophic fire-spread routes", a report found.

Dr Barbara Lane, an expert commissioned by the Grenfell Tower inquiry, delivered an excoriating assessment of the refurbishment which finished a year before the fire.