The United States and Russia have pledged to convene an international conference later this month on Syria's civil war, setting aside more than two years of differences on how to approach the conflict.
US Secretary of State John Kerry met with Russian President Vladimir Putin and Foreign Minister Sergey Lavrov for more than five hours yesterday in an attempt to agree how best to move President Bashar al-Assad's regime and rebels into talks on political transition.
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The reason for the shooting is unclear, but local media have reported it may be a settling of scores between criminals.
Most parts of the country will experience near unbroken sunshine after a chilly start to the day.
As the investigation into Khalid Masood continues, former acquaintances tell of violent incidents in the murderer's past.