Owing to a person hit by a train between Bristol Temple Meads and Weston-Super-Mare all lines are blocked ^Jess
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A 23-year-old man has been arrested in connection with the attack at Manchester Arena last night.
Theresa May says police think they know identity of lone bomber as she contrasts "warped" terrorist with courageous emergency services.
Police forces across the West Country are urging the public to stay vigilant in the wake of the Manchester terror attack.