Unite must decide whether to call industrial action today as talks aimed at averting strikes by fuel tank drivers resume.
The two sides have been talking for six days, but a proposed agreement reached last week was rejected by tanker drivers.
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The 100 leaders did not agree on concrete proposals, but the meeting has raised hopes for concrete international agreement next December.
The speech was OK, passionate at times and certainly well received, but did not display the passion of past speeches.
The brother-in-law of a British hostage being held by Islamic State militants in Syria, says he is scared by US airstrikes in the country.