Singapore has approved Pfizer-BioNTech's novel coronavirus vaccine and expects to receive shots by year-end, Prime Minister Lee Hsien Loong said on Monday, adding that he planned to be among the early vaccine recipients.

The city-state of 5.7 million people expects to have enough vaccines for everyone by the third quarter of 2021 and will make it free for citizens and long-term residents, Lee, 68, said...