<sod >The towers will now be monitored round the clock by security teams The Grenfell fire was caused by a faulty fridge in one of the flats - and the panels can be seen here exploding off the side By mid morning on the day after the blaze, the aluminium plastic cladding could be seen charred and melted on the tower in west London Cladding on the lowest levels of Grenfell survived the fire and can be cross-checked with the many other blocks across the country    Councils were told to provide the Government with details of the cladding used on high-rises by Monday and three samples were found to be combustible after tests on a 'small number' of specimens.< eod>< sod >  The Grenfell fire was caused by a faulty fridge in one of the flats - and the panels can be seen here exploding off the side By mid morning on the day after the blaze, the aluminium plastic cladding could be seen charred and melted on the tower in west London Cladding on the lowest levels of Grenfell survived the fire and can be cross-checked with the many other blocks across the country Samples taken from the buildings failed Government tests to determine whether the cladding is combustible but that does not mean the tower blocks are unsafe, with that to be determined after more checks by the fire and rescue services, Theresa May's deputy spokesman said.< eod>