revision preference src: Resolution In the wake of attacks against the United Nations Interim Force in Lebanon (UNIFIL), the Security Council today extended its mandate for two years, until 31 August 2013, condemning all terrorist attacks against it in the strongest terms. <SEP> tgt: Resolution In the wake of attacks against the United Nations Interim Force in Lebanon (UNIFIL), the Security Council extended its mandate for two years, until 31 August 2013, condemning all terrorist attacks against it in the strongest terms.