City of London Police say anyone with information should call 020 7601 2222, or Crimestoppers, anonymously, on 0800 555 111.
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Five teenagers have been injured - two seriously - after an unprovoked acid attack at a train station in Essex.
The Blackwall Tunnel in south-east London has re-opened this morning after a 20 hour closure that caused travel mayhem.
One of the teenagers was left so badly burnt doctors say he may lose his eyesight.