1.   A woman was travelling in a tube train one day during the rush hour.

2.   For these include the London tube train, the steam engine, and the Southern Rail electric.

3.   He thought about the incident in the tube train, but this almost induced total Decline.

4.   He was in a tube train.

5.   The condition of many tube trains is a disgrace.

6.   Thousands of passengers were stranded late Wednesday on London Underground tube trains after a system-wide power cut, British Transport Police said.

7.   Spores of a bacterium called bacillus globigii were released from moving tube trains.