A brave British medic working in war-torn Ukraine survived a bullet being fired through his front door – on only the day he arrived in a frontline city. The buzz of drones in stricken Zaporizhzhia is a far cry from the relative quiet of Staines, in Surrey, where Jay Matthews lives. But the married 41-year-old has been facing danger by helping at a hospital in the city — only about 25 miles from Ukraine ’s south-eastern frontline with Russia . Speaking just yards from where the bullet struck at