Officers seized 89.1 grams of suspected marijuana in her car and 672.9 grams of suspected marijuana cookies and oil, with a total market value of HK$144,000. She was detained in a Sha Tin police station as of last night.

A special duties squad was mobilized in an anti-drug operation in Ma On Shan.

Officers stopped and searched a suspicious vehicle outside Kam Tai shopping center and found suspected marijuana cookies and cannabis oil.

Police stepped up its anti-drug operation to curb the number of youngsters being used for drug trafficking on the eve of Halloween. Police also searched party rooms and arrested six operators for breaching social distancing measures. Another eight men and 14 women were also fined for breaching social distancing regulations.

Meanwhile, police searched more than 50 gaming centers, illegal gambling stalls and unlicensed bars controlled by gangs over the weekend, and arrested 265 people in another operation in Sha Tin.

Officers found that members of a triad listed drug prices in the venues and allowed people to pay by scanning a QR code.

A total of 198 men and 61 women, aged from 16 to 79, were arrested on suspicion of operating gambling establishments, drug trafficking, claiming to be a member of a triad society and money laundering.

More than HK$700,000 in cash was confiscated, along with arcade machines, while four bank accounts and a payment platform containing a total of HK$1.4 million were frozen.

"If a customer pays a higher entrance fee, they will receive a 'one-stop service' including unlimited drinks, drugs and an escort service," said Yau Chong-tai, senior inspector of east Kowloon anti-triad unit.

Police said the triads are making more than HK$1 million every month from gambling.