At least 100 people in Hong Kong including top government officials have been sent into quarantine after they were found to have attended a large birthday party.<br />''<br />''Leader Carrie Lam had said she was "disappointed" to hear about the event that involved the city's elite. Parties like these were not illegal at the time though the government warned against them and issued specific rules.<br />''<br />''Hong Kong imposed strict new Covid restrictions this week. Dining-in after 18:00 has been banned and venues like bars and gyms will be closed, after a small local outbreak of the Omicron variant was discovered in the city.<br />''<br />''Local media said the party was held to celebrate the birthday of Witman Hung, a member of China's top lawmaking body. A woman who attended the party has since preliminarily tested positive for Covid-19, reports added.<br />''<br />''<span style="color: #222222;">Immigration chief Au Ka-wang and Home Affairs Secretary Caspar Tsui were among the party's guests, along with at least four lawmakers who were elected into the Legislative Council last month.</span><br />