Last updated at 17:04 22 February 2007

Extremist Muslims who force vulnerable teenage girls to convert to Islam are being targeted by police, Met chief Sir Ian Blair has revealed.

Police are working with universities to clamp down on "aggressive conversions" during which girls are beaten up and forced to abandon university courses.

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The Hindu Forum of Britain claims hundreds of mostly Sikh and Hindu girls have been intimidated by Muslim men who take them out on dates before terrorising them until they convert.

Sir Ian spoke about the problem at a conference organised by the forum.

A Met spokesman said: "Neighbourhood officers work with university authorities in London and we would encourage anyone targeted in this way to seek help and support and where necessary use third party reporting facilities if they do not want to contact police directly."

Ramesh Kallidai, of the Hindu Forum of Britain, said: "Some girls are petrified because they are constantly being phoned up, having their door knocked.

"One girl was beaten up on the street and others have been forced to leave university."

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