Indonesian rescue workers begin burying tsunami victims in mass graves

Astonishing moment a building 'floats' past after tremors LIQUEFY the ground, swallowing 1,700 homes in Indonesia as mass grave is dug for more than a THOUSAND victimsWARNING: GRAPHIC CONTENT

A 7.5 magnitude earthquake caused a massive tsunami to crash into Indonesia's Sulawesi island on FridayCities of Palu and Donggala were badly hit with enormous 20ft waves sweeping through entire communitiesDeath toll has risen to more than 1,200 but there are fears hundreds more are trapped in mud or in buildings Footage shows 'liquefaction' of the ground with some 1,700 homes swallowed up in rivers of mud and soilIndonesian officials have prepared a 330ft-long grave in Palu with space for more than a thousand victims In the district of Sigi, 34 children attending a Christian camp were found dead under tsunami debris