A man in China has been sentenced to seven years in jail for setting internet equipment ablaze after becoming enraged over a slow connection, authorities have said. The man, surnamed Lan, was at an internet café in southern Guangxi province last June when his frustration with the connection speed spilled over. He responded by destroying a public box containing optical fibre network cables, a local court said in a statement on Monday. The court said the man “used a lighter to set a napkin he had on him on fire, then burned down a telecommunications box at a traffic intersection”….