The Turkish foreign minister said the country reserves the right to take "every kind of measure" after the car bomb attacks near the Syrian border, according to Reuters.
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Andre Luzganov, who shot dramatic video of the attack the weekend, told ITV News his family has left and will not be returning to Mariupol.
A call operator at NHS 111, which was designed to relieve pressure on emergency services, tells ITV News the system is struggling to cope.
Shell chief executive Ben Van Beurden says the full effect of oil price slump is yet to be felt. In the meantime tough decisions lie ahead.