Delays of up to 45 minutes on First Capital Connect between Bedford and Brighton, and between Luton and Sutton due to overhead line problems at Elstree and Borehamwood.
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Essex Police say that they can't comment on Martin Goldberg's death, but there were indications of an attempt to destroy evidence.
Police say indecent images of children have been found at the home of a deputy head teacher, who was recently found dead.
Essex Police say pictures of boys undressing have been discovered in the home of a teacher who's been found dead.