SHOCKING VIDEO: CCTV shows axe man smashing bottles in Sheffield shop minutes after brutal attack on cop

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This dramatic CCTV footage shows the moments after Nathan Sumner attacked PC Lisa Bates with an axe on a Sheffield estate.

In the footage Sumner is seen entering the shop in just his shorts before smashing bottles and talking energetically with staff and customers.

CCTV from the Co-Op store at Newfield Green

CCTV from the Co-Op store at Newfield Green

Moments earlier the 36-year-old had attacked PC Bates as her and a colleague attended Sumner's flat.

The police officer suffered a fractured skull and lost a finger in the brutal attack.

Sumner was found guilty of GBH with intent and was today sentenced to serve 15 years at Rampton psychiatric hospital.