By Paul Donald A city in Thailand has been forced to go into a virtual lockdown after tourists accidentally boosted monkey libidos with sugary sweets and drinks. The rampaging army of macaques are thought to have taken so much sugar given to them by tourists at an annual festival that it turned them into sex-crazed beasts that became factionalised and violent, with sporadic battles breaking out for the gangs to take supremacy on the city’s streets. The shocking invasion resulted in business owners on the streets of Lopburi, being forced to close indefinitely, while residents have had to flee o…