Face of estate siege knifeman

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THIS is the face of the man who sparked a huge emergency on a Sheffield estate by wielding a knife in the street and threatening to attack police officers.

Mark Johnson, aged 36, held a knife to his partner’s throat, then had to be persuaded to drop the weapon by negotiators following a three-hour siege on Winn Gardens in Middlewood.

Johnson, who had a history of convictions for domestic violence, armed himself with the blade when a drunken row spiralled out of control.

He was jailed for 15 months at Sheffield Crown Court.

Judge Jeremy Baker QC said the incident was ‘potentially lethal’.