Adverts and leaflets are being distributed in East and West London to encourage illegal immigrants to leave voluntarily under a new government campaign. Immigration officers are targeting specific groups. The ads warn people here illegally risk arrest and deportation.
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The force has been tweeting after carrying out a series of dawn raids.
Adenike Akingbogun made the dangerous manoeuvre after ignoring the crossing lights and driving onto the tracks.
Police arrived at the 73-year-old's home after Alfie chased a delivery man.