There are two proposed routes for Crossrail 2, known as the Metro and the Regional route.
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Arnis Zalkalns, a 41-year-old Latvian builder, vanished a week after 14-year-old Alice went missing from her home at Hanwell.
The 14-year-old vanished near her home in west London exactly three weeks ago.
A Labour MP tipped as a possible candidate for London mayor has admitted crashing into a motorcylist her second accident in just over a year