Babar Ahmad has won substantial damages from the police for the way he was treated. See:
http://www.guardian.co.uk/politics/2009/mar/18/babar-ahmed-met-police.

But he is still in custody awaiting a decision regarding the extradition case.

See also:
http://disruptive.org.uk/2008/02/05/babar_ahmad_4.html
http://disruptive.org.uk/2006/07/12/babar_ahmad_3.html
http://disruptive.org.uk/2005/05/17/babar_ahmad_2.html
http://disruptive.org.uk/2005/03/03/babar_ahmad.html.