Elon Musk raised concerns about President Donald Trump’s sweeping tax and spending cuts package, saying in a video released Tuesday that he believes it would raise the US budget deficit and undercut efforts by the Department of Government Efficiency.

Elon Musk on Tuesday postponed by a few hours an expected update on SpaceX's plan to launch missions to Mars, saying it will take place after a Starship test flight scheduled for later in the day. He did not give a reason.