New York (United Nations) (AFP) - United States has exerted considerable pressure on Wednesday in support of the United Nations to tighten sanctions on Eritrea, accused of a scheme in conjunction bomb attack in the Ethiopian capital. And a control group confirmed the UN last month that the Eritrean government was behind the plan for the implementation of a bomb attack in Addis Ababa during the African Union summit last January. The UN experts also stressed that Eritrea is arming and helping insurgents in Somalia, including the movement of young Islamic extremist linked to al Qaeda. The U.S. Ambassador to the United Nations, Susan Rice told reporters, "that the United States is very keen to exert pressure and impose additional sanctions on Eritrea." The results of the report of the UN experts on Eritrea's efforts to "destabilize its neighbors," as "convincing." She described the relationship Eritrea of trying to assault last January as "very grim" and saw that this requires action in the UN Security Council. But she added that "there must be chosen goal of any action carefully and not to harm the Eritrean people in any way." According to NGOs, Eritrea suffers greatly from the drought gripping the Horn of Africa, but the government denied the existence of drought and prevented the UN agencies and non-government to enter its territory. The UN Security Council imposed in December 2009 sanctions on Eritrea for its support of Somali insurgents. And chairs the Group of Ethiopia in East Africa, which calls for the promotion. Last month, called the Intergovernmental Authority on Development (IGAD), which includes Djibouti, Ethiopia, Kenya, Somalia, Sudan and Uganda, the United Nations and African Union to impose additional sanctions on Eritrea, which "contribute actively to destabilize the region."