Transport chiefs have claimed that most people support plans to close London Underground ticket offices, as passengers brace themselves for disruption caused by strikes over the issue next week.
A survey of more than 1,000 adults for Transport for London showed that 82% supported proposals to move staff out of under-used ticket offices into ticket halls and platforms.
Nine out of 10 backed plans to launch all-night Tube services in the capital next year.
Union leaders disputed the findings and called on London mayor Boris Johnson to hold direct talks with them in an attempt to avert two 48-hour walkouts.
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The 47-year-old man died shortly after 3pm on Tuesday.
Specialist explosive detection dogs searched through the town examining letter boxes and phone booths for signs of potential devices.
Temperatures reached 29.1C in St James's Park, central London.