The heavily pregnant mother and her daughters, aged six and eight, were last seen outside a Travelodge hotel in Newcastle-under-Lyme, Staffordshire, in September.
The victim, 55, was stabbed at her home in Beresford Street, Manchester, after a woman in her 20s knocked on her front door.
Police arrested 17 people after dawn raids at addresses in Redbridge, Havering, Barking and Dagenham, Newham, Brentwood and Tower Hamlets in east London.
Historian Oleg Sokolov was pulled from the River Moyka in St Petersburg with a backpack containing a woman's severed arms.
A male teenage worker at Jack and Jill Childcare in Torquay, Devon, has been arrested on suspicion of sex offences.
A man has been arrested on suspicion of murdering a young mother, 26, in Halifax town centre.
Essex Police said officers were called to the Spinnaker Pub in Colchester, Essex, after a car crashed into it just after 12.50am on Sunday.
Violinist Stephen Morris said his 310-year-old Tecchler violin worth £250,000, taken after it was left on a train in London, had been handed back undamaged.
A man has been arrested after the collision involving two buses and a car on Sevenoaks Road, Orpington, south-east London on Thursday night.
Thames Valley Police said the 27-year-old, arrested on Saturday in connection with the deaths of Dom Ansah and Ben Gillham-Rice, has been released under investigation.
Vietnamese families have come forward fearing their loved ones are among those found dead in the lorry container in Essex, as reports emerged of 'bloody handprints' on the inside of the container.
Police hunting for missing teenager Kianna Patton said they had found a body in Pembroke Dock, Pembrokeshire, which is near to where she lived.
It has been suggested that the 39 Chinese migrants were dead before they arrived at Zeebrugge and so died at least 12 hours before they were found.
Andrew Delsol, 55, was jailed for life at Bradford Crown Court after repeatedly attacking two women between 1985 and 2001.
Temesgen Desta, 32, of no fixed address, was jailed for life at Birmingham Crown Court after being found guilty of two attacks in Birmingham and Merseyside within 24 hours.
The spate of alleged doorbell thefts was uncovered when one victim posted about hers being taken on a local Facebook page and found the same thing had happened to other people.
The man, named as Hibiki Sato, analysed the reflections in the Japanese pop star's eyes in her selfies to work out where she lived and then attacked her.
The BBC Radio 1Xtra Live event at Arena Birmingham was called off after police were called to the incident at around10pm on Saturday.
Ewan Ireland initially couldn't be named as the teen who stabbed lawyer Peter Duncan in Newcastle but can now be identified after turning 18.