The family of Sapper Mark Smith, who was killed in a 'friendly fire' incident in Afghanistan when a mortar shell fell short of its target, has told ITV Meridian that they believe his death was 'preventable' and that the Ministry of Defence's investigation into the incident was 'flawed'.
Sapper Smith served with 36 Engineers in Kent.
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The 22 year old man is seriously injured in hospital. Police believe a baseball bat and iron bar may have been used in the attack