Tube drivers are to vote on industrial action in a row about working conditions.
The announcement has come as Conservatives on the London Assembly called for curbs on strikes on the Underground.
The union organising the ballot called that an attack on fundamental rights.
Rags Martel reports.
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The Football Association has announced it has received an offer to buy Wembley Stadium.
The most hotly-tipped date is July 13, following the Nato summit which the president is due to attend in Brussels on the previous days.
Abbas Edalat, a professor in computer science and maths at Imperial College London, has reportedly been held in custody since April 15.