A homeless man, surnamed Qin, pretended to be a woman, named Xiao Ya, to defraud people he met online out of a total of 26,000 yuan.
One of Qin's victims, a migrant worker, surnamed Chen who is in his 20s, became infatuated after he was contacted by "Xiao Ya" via WeChat and a QQ chat room.
He sent large sums of money to Qin, who then cut contact with him. Qin has been detained.
John Edwards, the UK trade commissioner for China, praised Chongqing over its rise as a burgeoning center in intelligent manufacturing.