They were among 234 new infections reported yesterday, including 42 imported cases.

Centre for Health Protection's principal medical and health officer Albert Au Ka-wing said 113 of the cases were confirmed through PCR tests and the remaining 121 through rapid tests.

The Kwun Tong cluster at Imperial Kitchen in Shing Yip Industrial Building saw two more cases, taking its tally to 11 customers aged 28 to 69.

Eight had received three Covid-19 vaccine doses while the rest got two jabs, with Au saying all of those who visited the "private kitchen" on May 9 denied having meals there.

The two new patients said they had attended a business meeting that lasted more than two hours at a facility that Au said had dining and mahjong tables and a karaoke room. All environmental samples tested negative.

The Sheung Wan cluster at Sky Cuisine restaurant also saw four more diners, taking its total to 56 cases - 50 diners and six staff.

The three women and a man all went to the restaurant on May 7 evening, with two of them being family members.

Three more environmental samples collected from a cupboard, exhaust ducting and kitchen tested positive.

The Hung Hom snooker cluster at Sun Mong Club saw one more case involving a 63-year-old man, bringing its count to 12 diners and two staff.

The man went to the club on May 9, felt sick on Friday and tested positive a day after that.

An environmental sample from one of the tables tested positive and a thorough disinfection has been ordered.

Schools added 35 cases, including 29 students and six staff.