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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Tonight will start off clear in many areas, but cloud will increase from the east overnight, bringing some light and patchy rain.
A rally planned by the families of the 304 people who died on the ferry disaster last year were sprayed with water cannon and pepper spray.
Four QPR hooligans caught on CCTV reeking havoc and attacking rival fans have been jailed.