The excavation will descend over 50 feet below the surface say reports, deeper than the height of nearby houses, and will feature a 45-foot swimming pool, hot tub, sauna, massage room, ballroom, covered courtyards, staff accommodation, parking, a turning circle and car lift.
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An armed robber who targeted fast food shops in north west London has been jailed for eight years.
Police have arrested a number of cannabis dealers in Haringey as officers targeted a hotspot for street drug dealing.
A thief who posed as a council worker snatched cash from an 86-year-old woman's pension book, the Met Police said.