CCTV investigations in London Road, Kingston found a mound of fat the size of a bus had reduced the 70 x 48cm sewer to just 5% of its normal capacity.
Thames Water has begun repairs to 20 metres of the damaged pipe and work is expected to take up to six weeks to complete.
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The Dabbous restaurant in Fitzrovia, central London, has been ranked zero by the Food Standards Agency.
The campaign involved blasting dirt off the streets in Shoreditch. The council says the intelligence organisation did not have permission.
Marta Ligman may have been alive with just minutes of air left in the suitcase when Kocik was seen on CCTV dragging her from their flat.