The new terrifying Snapchat trend fuelling feral teens’ ‘link-ups’ amid fears MORE mobs will wreak havoc over Easter

IT started innocently enough, with just a handful of bored schoolgirls rollerskating on Clapham Common at teatime. But on a nearby basketball court in the South West London park, a crowd swelled with astonishing speed as youths shared their ­locations online and lit fires on the fields. A balaclava-clad teenage mob then tore through the...