The US government only acknowledges its role in targeted killings in general terms, refusing to take responsibility for individual strikes or provide casualty figures, including civilian deaths, Human Rights Watch said in their report on drone attacks in Yemen
The Yemeni authorities have been almost as silent, the rights organisation said. Both governments have declined to comment on the six strikes that Human Rights Watch investigated.
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Deputy Labour leader Tom Watson was partying at Glastonbury until the early hours, as the party's shadow cabinet began descending into chaos
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Foreign Secretary Philip Hammond said there will have to be a "trade-off" on UK access to the EU single market and migration controls.