July 25, 2021 All residents of 456 Ang Mo Kio Avenue 10 and owners and staff of commercial units at the same block and residents of 340 Clementi Avenue 5 must go for mandatory testing. SCREENGRAB FROM GOOGLE MAPS, SHIN MIN DAILY NEWS FILE Mandatory Covid-19 testing will be conducted in Ang Mo Kio and Clementi as the Health Ministry (MOH) probes likely Covid-19 transmission in these two areas. All residents of Block 456 Ang Mo Kio Avenue 10 and owners and staff of commercial units at the same block and residents of Block 340 Clementi Avenue 5 must go for mandatory testing. This is done to uncover community infection cases, MOH said on Saturday (July 24).