SINGAPORE — Police are investigating 12 people aged between 51 and 76 over their suspected involvement in illegal gambling activities in Yishun.

The illegal activities were discovered during an enforcement operation conducted by the Woodlands Police Division at Yishun Street 61 on Tuesday (April 25), the police said on Thursday.

Officers arrested three men aged between 52 and 65 for allegedly conducting unlawful gaming operations.

Seven men and a woman aged between 51 and 64 were also arrested for allegedly gambling through an unlicensed gambling service provider or at an unlawful gambling place.

A 76-year-old man is also assisting police with investigations for purportedly gambling at an unlawful gambling place.

Three mobile phones, gaming paraphernalia and about S$10,700 in cash were seized during the operations.

Anyone convicted of involvement in gambling operations can be jailed for up to five years and fined up to S$200,000.

Anyone convicted of gambling with an unlicensed gambling service provider can be jailed for up to six months, fined up to S$10,000 or both.