SINGAPORE, Aug. 14 -- Four Chinese nationals accused of possessing housebreaking tools were brought under police guard to locations in Bukit Timah on Wednesday, less than a week after their arrests in an attempted break-in case.

Zhuo Yinggui, 36; Yang Chao, 41; Zhou Qifa, 36; and He Jiao, 38 - all from China's Guizhou province - were each charged on August 10 with one count of possessing tools for housebreaking, according to The Straits Times.

They are believed to have ties to Chinese burglary syndicates.

In the morning, He and Zhou were escorted separately to the Rail Corridor off Bukit Timah Road, where police say they were caught with the tools.

Both had their hands and legs restrained.

Meanwhile, the other two suspects Yang and Z...