President Trump’s top economic adviser, Larry Kudlow, suffered a heart attack Monday night. The president confirmed the news on Twitter around 8:40 p.m., just minutes before he was scheduled to meet with Kim Jong Un.

According to Trump, Kudlow is being treated at the Walter Reed hospital.

Cover image: White House National Economic Council Director Larry Kudlow holds a news briefing about the upcoming G7 meetings in the Brady Press Briefing Room at the White House on June 6, 2018 in Washington, DC. Kudlow said President Donald Trump's focus at the meetings will be on trade and mutual security among members of the G7, via Getty.