Parsons Green attack: UK police search house in Surrey

UK police are investigating whether several people were involved in Friday's bomb attack on a London Underground train, which injured 29 people.

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    UK police are investigating whether several people were involved in Friday's bomb attack on a London Underground train, which injured 29 people.

    A home southwest of London was searched after the arrest of an 18-year-old man in the departure area of the southern port of Dover.

    Troops have been deployed to protect key sites across the UK.

    Al Jazeera's Nadim Baba reports.


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