More than 2,600 people are expected to attend a "justice" rally for the victims of the Grenfell Tower tragedy.
It is due to be held outside the Department for Communities and Local Government, in Marsham Street, close to Buckingham Palace, at 6pm on Friday (June 16).
A social media page promoting the event says the victims of Wednesday's horrific fire "deserve justice".
"We demand answers," it continues.
"Solidarity with the residents of Grenfell Tower.
Grenfell Tower fire
"Supported by Grenfell Action Group, Defend Council Housing, Kensington and Chelsea Momentum, Westway23 and NW London Stand Up to Racism."
More than 2,600 people have said they are attending with 7,000 "interested" in the event, following Wednesday's horrific fire at the North Kensington tower block.
A Met Police spokesman said that as with all events, "we will have an appropriate policing plan in place", but did not comment further.
A spokesman from the Department for Communities and Local Government said: "We are aware there is going to be a rally later but we don't have a comment on it."
On Friday (June 16) police confirmed that "at least" 30 people have died; 24 remain in hospital - half of those in critical care.
Police have launched a criminal investigation into the fire to determine whether any crime has been committed.
During a press conference, Met Commander Stuart Cundy said the cause of the fire is not believed to be deliberate.
However, the feeling among those affected is that "the poor have been ignored" - Grenfell Action Group repeatedly raised fears of a "catastrophic event" and says the blaze was "inevitable".
They say their warnings "fell on deaf ears".
For the latest updates, head to our live blog.
Getwestlondon has launched a JustGiving page to help those affected by the fire.
To donate, visit www.justgiving.com/crowdfunding/grenfell-tower-support.
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