UNOMSIL would be headed by the Special Envoy of the Secretary-General who would be the Special Representative for Sierra Leone. Close co-operation between UNOMSIL and ECOMOG was stressed, and the parties in Sierra Leone were urged to ensure the safety of United Nations personnel and organisations delivering humanitarian assistance. Noting that illegal arms flows were taking place, all states were urged to strictly observe the arms embargo against non-governmental forces in Sierra Leone, in accordance with Resolution 1171 (1998).[5] The Government of Sierra Leone was co-ordinating a more effective response to the needs of children affected by the conflict.