A man has been jailed for life for murdering a former friend who was having a relationship with his mother.
Lucas Bigley, 19, stabbed Matthew Wilson to death in Sheffield on 28 May in a “violent and brutal attack”.
Hull Crown Court heard the two men had fallen out after Mr Wilson, also 19, began a relationship with Bigley’s mother.
Bigley, of Wadsley Lane, Sheffield, was told he must serve at least 22 years in jail.
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