Two years after the 24-story housing block was consumed by flames
Prince Harry and Meghan Markle were joined by Meghan's mum Doria Ragland at an event in London
Material blamed for fuelling devastating June 14 London tower block blaze
Police are conducting an investigation and have said charges may be brought against individuals or organisations
'There are grounds to suspect each council may have committed offence'
Despite the safety fears, around 200 residents have refused to leave their homes, some of whom suffer from agoraphobia
Just hours earlier, police said that manslaughter charges could be brought over the Grenfell inferno.
The number is expected to rise, police say