UK miners' strike (1984–85) the NUM's assets, it began to look abroad for money, and found supplies in the Soviet bloc and, it was mistakenly thought, also from Libya. These countries were highly unpopular with the British public. The Soviet Union's official trade union federation donated £1.5 million to the NUM. Media reports alleged that senior NUM officials were personally keeping some of the funds. In November 1984, it was alleged that senior NUM officials had travelled to Libya for money. Cash from the Libyan government was particularly damaging coming seven months after the murder of policewoman Yvonne Fletcher outside the Libyan embassy in
Embassy of the United States, London and 1990s following successive terrorist attacks on U.S. embassies and consulates worldwide. However, it was after the September 11 attacks in 2001 that security was significantly increased. A massive security operation at the embassy has seen one side of Grosvenor Square closed to public access by car, and armed roadblocks are stationed outside the building. On August 29, 2002, Kerim Chatty, a Swedish citizen of Tunisian descent, was arrested at Stockholm-Västerås Airport trying to board a Ryanair Flight 685 destined for London Stansted Airport with a loaded gun in his luggage. Anonymous intelligence sources cited in the media claimed that