Caldwell said she didn't know whether Merriman was released on bail or on his own recognizance.
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Another man, former BNP fundraiser Jim Dowson, was released on bail after appearing on similar charges.
The Paralympic star - who was released on bail on Friday - denies murder.
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He was released on bail on the condition he did not enter Hertfordshire or contact his ex-girlfriend.
He was released on bail in March before a judge ordered that he return to prison on Wednesday.
Mr. Dutt served 18 months in jail before he was released on bail in 2007 pending an appeal.
He was released on bail a few days later when FIFA, football's international governing body, began making inquiries.
Merseyside Police said the arrested man was released on bail on Sunday evening.
On Friday, comedian Freddie Starr was released on bail after being arrested on Thursday and questioned twice by police.
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Mr Starr was released on bail between 01:00 and 01:30 GMT on Friday.
Mr Armstrong was remanded in custody while Mr Fisher was released on bail.
He pleaded innocent at a Kuala Lumpur district court Thursday and was released on bail ahead of a hearing July 2.
On Monday, 44-year-old North Lucas from the Ballycreely Road, Comber was released on bail after he appeared accused of assisting offenders.
Mr Joyce, 52, was released on bail on Friday evening to return to a central London police station on 28 March.
Last week, a senior republican facing IRA membership charges was released on bail, but two union flag protestors were remanded in custody.
Tierney was released on bail and will be sentenced on 27 March.
Chandra Mohan was released on bail after being imprisoned for four days.
Murphy was released on bail on Friday by magistrates sitting in Uxbridge and is due to appear before them again on 2 May.
He served 18 months in jail before he was released on bail in 2007 pending the appeal, so three and a half years remain.
Mr Blagojevich caused outrage by returning to work on Wednesday, a day after he was released on bail having appeared before a federal judge.
He was released on bail, but two weeks later police went to his home and found a 14-year-old girl who had been reported missing.
Pistorius, who was released on bail Friday, is staying at the house of his uncle, Arnold, in the affluent suburb of Waterkloof in Pretoria.
The entertainer and quiz show host - who has an OBE for services to showbusiness and charity - was released on bail pending further enquiries.
In November 2012, he was released on bail from prison in when the courts blocked the home secretary's latest attempt to deport him to Jordan.
Mr Robinson spoke out after a senior republican facing IRA membership charges was released on bail, but two union flag protestors were remanded in custody.
This time Mr Anwar, who had briefly sought refuge in the Turkish embassy when the accusations surfaced, was released on bail after one night in custody.
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Ms Bartholomew, from Clacton-on-Sea, Essex, pleaded guilty at a hearing in April to harassing Mr Walliams between last October and February this year, and was released on bail.
Mr Dowson, from the Burn Road in Comber, was released on bail on strict orders that he is not to use a telephone except in an emergency situation.
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