Presumptive Republican nominee Donald Trump is firing back, after presumptive Democrat nominee Hillary Clinton’s tweet telling him to delete his account after he criticized President Obama’s endorsement of Clinton on Thursday.

How long did it take your staff of 823 people to think that up–and where are your 33,000 emails that you deleted? https://t.co/gECLNtQizQ — Donald J. Trump (@realDonaldTrump) June 9, 2016