Page last updated at 04:02 GMT, Saturday, 6 June 2009 05:02 UK "Pair questioned over ricin find" SNIPPET: "A father and son are being questioned by anti-terrorism officers following the discovery of the poison ricin at a house in County Durham. The find is connected to a police inquiry into alleged extreme right-wing activity. Ian Davison, 41, and his son, Nicky, 18, were arrested on Tuesday in raids at their homes in County Durham. The ricin, said to be 6,000 times more toxic than cyanide, will be analysed at the Porton Down government laboratory. Police have halted their search of...