A Chinese city has launched an operation to find a large number of crocodiles that escaped when floods hit the region in recent days, authorities have said. A typhoon brought sustained heavy rains to southern China last week, triggering inundations in Hong Kong and other areas. Deluges around the city of Maoming in Guangdong province caused a lake at a commercial crocodile farm to overflow with over 70 animals escaping, local media reported. Local authorities warned villagers in Peng Cun at one point to stay indoors after crocodiles were seen…