http://www.bbc.co.uk/news/live/uk-england-stoke-staffordshire-39405413?ns_mchannel=social&ns_source=twitter&ns_campaign=bbc_live&ns_linkname=592d6a5be4b084c6e705015f%26Lichfield%20Cathedral%20evacuated%26&ns_fee=0#post_592d6a5be4b084c6e705015f