Man held on suspicion of murder after fatal stabbing in south London / Murder investigation launched after death of 15-year-old boy in Glasgow / Brett Fraser cold case: Police issue fresh plea for information on decade-old killing / Man arrested in murder inquiry following death in North Ayrshire / Christchurch homicide: Murder-accused known to dead woman / Forensic evidence reveals brutal details in Jamie Gill murder trial in Wairarapa / Police investigating murder of eight-year-old in New Zealand city / Murder inquiry launched after death of 23-year-old woman in Glasgow / Murder investigation launched following death of newborn baby in Camden / New police searches in Salford torso murder investigation