A man from Birmingham has been sentenced to life in prison, with a minimum of 29 years before he can be considered for release.
Wesley Williams, 29, strangled his ex-girlfriend Yvonne Walsh and her baby son Harrison in June.
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Its the UK's biggest ever gang injunction for members of the Burger Bar Boys and Johnson Crew in Birmingham.
The shops owners say they feel "disheartened" after it was broken into for the second time in four years.
Several people, who the police believe to be victims, were found at a house in Derby.