The British medical students stabbed to death in Malaysia were set to complete their attachment to a local hospital tomorrow, according to local reports.
Police said Neil Dalton and Aidan Brunger were killed in an alcohol-fuelled incident and four men had been arrested in connection with their deaths.
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Members of the RMT on Arriva Rail North (Northern) walked out for 24 hours, with more stoppages due on Thursday and Saturday.
Police said a dozen shots were fired, but no arrests have been made and they are looking for a dark vehicle.
Former Conservative leader Lord Hague has called for "a major chance in policy" cannabis.