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Johnson & Johnson has decided to delay the rollout of its vaccine in Europe after authorities in the US raised fears over a possible link to blood clots. We speak to Krishna Udayakumar, a professor of medicine and director of the Duke Global Health Innovation Center in North Carolina.
The ride-hailing app Grab plans to list its shares in the US, which would make it worth almost $40 billion - the largest ever listing by a southeast Asian company. It's already merged with a special purpose acquisition company, or SPAC, to enable the listing. Crystal Tse from Bloomberg in New York explains what SPACs are and why they've been growing in popularity.
Plus, as drone racing is becoming increasingly popular, we speak to Nicholas Horbaczewski, founder of the professional Drone Racing League.

Vishala Sri-Pathma is joined throughout the programme by political reporter Erin Delmore in New York and by Lien Hoang, reporter at Nikkei Asia, in Ho Chi Minh City.

(Picture: Johnson & Johnson vaccine / Credit: Getty Images)