More than 48 hours after the work on horizontal escape passage at the collapsed Silkyara tunnel site was abandoned, rescuers began vertical drilling on a war footing to evacuate 41 workers trapped inside for more than 14 days.

The National Blood Centre is ready to produce serum from plasma to treat Covid-19 patients, Chulalongkorn University expert virologist Dr Yong Poovorawan said yesterday (July 6).