U.S. President Donald Trump's administration said on Tuesday that eight federal agencies will terminate another $450 million in grants to Harvard University, on top of $2.2 billion in federal funding that it canceled last week.

The cuts add to the more than $2.2 billion in research funding for Harvard that the government had previously frozen.

The Trump administration is cutting another $450 million in federal grants to Harvard University – on top of $2.2 billion already slashed – tightening even further its ideological pressure on America’s oldest and wealthiest university amid a broader battle over control of US college campuses.

President Donald Trump said Monday the tariffs against China would "go up substantially higher" than 145% if a longer-term trade deal is not reached before 90 days.

The Trump administration and China have agreed to slash tariffs for the next 90 days in a push to deescalate a trade war between the two countries.

Donald Trump said he would raise tariffs on China if the two countries failed to reach a trade deal in 90 days, but would stop short of ratcheting them back up to 145 per cent. Trump increased the additional tariffs he was applying to all Chinese imports to 145 per cent last month,