The latest pictures appear to show that workers have used booms to set up a perimeter in the waters of the Mantua Creek to contain any chemical spill.
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The PM will demand faster action from Google, Facebook and Twitter as world leaders set them a deadline and warn of fines for inaction.
Boris Johnson's failed coup achieves what the Prime Minister could not do her for herself - he has strengthened her position.
Wet and windy weather spreading across northern and some western parts, with some heavy rain likely across Northern Ireland and Scotland.