His term as Foreign Secretary was marked by British interventions in Kosovo and Sierra Leone. Both of these were controversial, the former because it was not sanctioned by the UN Security Council, and the latter because of allegations that the British company Sandline International had supplied arms to supporters of the deposed president in contravention of a United Nations embargo. Cook was also embarrassed when his apparent offer to mediate in the dispute between India and Pakistan over Kashmir was rebuffed. The ethical dimension of his policies was subject to inevitable scrutiny, leading to criticism at times.