The mother of a teenager, left with internal and serious head injuries after he was robbed, has spoken out following the attack.  Tyler Malloy, 14, was hospitalised following the assault at a park near Tooting, southwest London last week. His mother, Jerry, says he was set upon by a gang of up to ten boys who also stole his iPod, mobile and jacket. Tyler, who is now recovering, handed ove More..r his possessions after he was threatened. His mother said had had told them he wanted no trouble. "The main boy knocked him out and the rest just jumped him. Kicked him, stamped on him like we has nothing. They attacked him like a pack of hyenas," she said. Detectives from Wandsworth Criminal Investigation Department are calling for information in relation to the attack which took place at Furzedown Recreation Park on April 21.