The Unite union is warning that bus workers could take further strike action over their demand for a £500 bonus for working during the Olympics.
It comes as workers in 70 bus garages across the capital went on strike this morning. The current walkout is due to end at 3am tomorrow.
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John Nolan, who was found with cigarettes and two lighters, suffered burns on 65% of his body after being alight for around six minutes.
Known as Pily she died in January, seven months after the disaster, having suffered a stroke.
The shake-up also aims to smash the "myth" that officers cannot pursue riders who are not wearing helmets.