Donald Trump threatens FDA over approval to Pfizer corona vaccine

Donald Trump has threatened the FDA (food & drug administration), over the approval of Pfizer's corona vaccine. Trump has said that if Pfizer's vaccine for coronavirus is not approved by this evening by the FDA then they should resign.

Trump raised questions on the work of the FDA earlier as well. It is being reported that Trump is also furious over the fact that Britain has approved and started the use of Pfizer's vaccine before the USA.