Corbyn: High rise tower blocks 'must be retrofitted with sprinklers'

The Chancellor is being urged to set aside an extra £1bn to retrofit tower blocks with sprinklers after the Grenfell tragedy.Jeremy Corbyn will make the demand in a speech in London on Thursday, a fortnight before Philip Hammond delivers his Budget.Sky News understands housing is likely to be one of the key announcements by the Chancellor, with stamp duty reforms to help first time homebuyers.