Tottenham Mandem proximate cause of the 2011 England riots. Tottenham Mandem The Tottenham Mandem (also Tottenham Man Dem or TMD) are an organized street gang based in Tottenham, north London, that began on the Broadwater Farm estate prior to the Broadwater Farm riot in 1985. One of the early members and later leader Mark Lambie was a suspect in the murder of PC Keith Blakelock during that riot. Lambie had been top of Operation Trident's wanted list due to the close links he had built with gangs in Wembley, Harlesden and south London. He was jailed in 2002. In January 2014, it
Broadwater Farm where a gas explosion in 1968 caused progressive collapse, killing four people. Broadwater Farm was built using the same Taylor Woodrow-Anglian system of panels as Ronan Point. The domino-like system of large structural slabs speeded the building and allowed cheaper, less expert labour to be used to assemble the prefabricated panels. Even so, construction standards were ignored; mortar joints stuffed with newspaper reduced drying time and weakened the buildings. The blocks were inspected for safety in 1985 about the same time that gas was installed. Gaps, wide enough to see the flat below, were found between the external wall panels