The case of 180 Iraqis who, are calling for a public inquiry after claiming they were abused by British soldiers, follows the inquiry into the death of Baha Mousa who died after being beaten by UK forces.
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Run by the NSPCC the helpline allows employees in any sector to raise concerns anonymously.
PM used a speech in Hamburg to say that the UK will not 'pull up the drawbridge and retreat from the world' but Europe must change.
It is set to remain unsettled into Saturday, becoming drier on Sunday.