Some senior officers have now arrived at the incident and are formulating their plan http://t.co/v1KgmV5Y
More wearers standing by in CP suits. Wearing these is very hard work so BA compressed air cylinders don't last long! http://t.co/vUrwBTtJ
More top news
Parents whose children have been off school all week because of a toxic gas scare are being urged to attend public meetings later.
Delroy Hilton said he was treated 'like a dog' when his groceries were emptied on to the floor by a store worker.
Millions have watched a video of a brave ten-year-old shaving off all her hair to raise money for the hospice who helped her dying dad.