Fatberg weighing 100 tonnes discovered in east London sewer

Mass of congealed fat, oil and grease 100 metres in length found blocking sewers in Whitechapel area of capital

A fatberg" weighing an estimated 100 tonnes has been discovered blocking sewers in east London, officials have said.

The mass of congealed fats, oils and grease measures about 100 metres long (328ft) and weighs about a third more than the heaviest of the British army's battle tanks. It has been called the grandchild of the 2017 Whitechapel fatberg, which weighed 130 tonnes and stretched for more than 250 metres (820ft).