A group of nongovernmental organisations called on the Trump administration to clarify its policy on drone use, saying they are concerned about reported changes to US rules and a lack of transparency in the decision-making process.

"We are deeply concerned that the reported new policy, combined with this administration's reported dramatic increase in lethal operations in Yemen and Somalia, will add to an increase in unlawful killings and in civilian casualties," a joint statement said.

The organisations include Amnesty International, the US-based Center for Constitutional Rights, Human Rights Watch, the ACLU and others. ...

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