<p>Thirty-three-year-old Eric Malcolm wrapped a live 240-volt extension cable round a door handle and waited for his victim Tony Gilesnan to walk in, the Daily Express reported. <br /><br />Gilesnan, luckily, received only a mild shock but Malcolm then struck him over the head with a hammer, Cambridge Crown Court was told.<br /><br />Their row about the TV bill had escalated after Malcolm mistakenly thought the lodger had used his computer.<br /><br />Malcolm, of Royston town in Hertfordshire county, admitted causing grievous bodily harm before the court.<br /><br />Prosecutor Rebecca Smith said the lodger was left with a three-inch cut to his head after the attack that was carried out April 28 this year.</p>
<p>Thirty-three-year-old Eric Malcolm wrapped a live 240-volt extension cable round a door handle and waited for his victim Tony Gilesnan to walk in, the Daily Express reported. <br /><br />Gilesnan, luckily, received only a mild shock but Malcolm then struck him over the head with a hammer, Cambridge Crown Court was told.<br /><br />Their row about the TV bill had escalated after Malcolm mistakenly thought the lodger had used his computer.<br /><br />Malcolm, of Royston town in Hertfordshire county, admitted causing grievous bodily harm before the court.<br /><br />Prosecutor Rebecca Smith said the lodger was left with a three-inch cut to his head after the attack that was carried out April 28 this year.</p>