He was also negotiating with the United States in order to conclude a comprehensive agreement making any further payments for American victims of terror attacks that have been blamed on Libya – such as the 1986 Berlin discotheque bombing, the 1988 Lockerbie bombing and the 1989 UTA Flight 772 bombing – conditional upon U.S. payment of compensation for the 40 Libyans killed and 220 injured in the 1986 United States bombing of Tripoli and Benghazi. On 14 August 2008, the U.S.-Libya Comprehensive Claims Settlement Agreement was signed in Tripoli. Former British Ambassador to Libya Oliver Miles described the agreement as "a bold step, with political cost for both parties" and wrote an article in the online edition of "The Guardian" querying whether the agreement is likely to work.