Today is April 20, 2021 and this is your daily news briefing from The Canberra Times. In today’s update, Canberra Liberals are calling on the ACT government to clarify how wait times for endoscopy examinations will be reduced, following revelations at least two people have developed cancer while waiting more than a year to be seen, and the nation's leaders are scrambling to ramp up Australia's troubled COVID-19 vaccination rollout, including support for state-run mass vaccination hubs and bringing forward vaccinations for people over 50.