Singapore's ministry of health said late on Monday preliminary tests had detected two suspected cases of the Omicron variant of Covid-19 linked to a gym, with results for a third coronavirus case related to the gym pending.

The health ministry said it was conducting contact tracing related to all three cases, which have mild symptoms, had no recent travel history and had been double-vaccinated. The statement did not specify whether any of the cases had received a booster.

Singapore has reported 71 confirmed Omicron cases...