U.S. Sen. Michael Bennet joined the chorus of concerns over the nuclear threat raised by North Korea.

The Democrat on Thursday called for a “comprehensive strategy.”

“North Korea is racing to pursue its destabilizing and dangerous nuclear program, which threatens our security, including our personnel, partners and allies in the region,” Bennet said in a statement.

President Trump aggressively responded to the situation with comments that, “They will be met with fire, fury, and frankly power, the likes of which this world has never seen before.”

North Korea escalated the rhetoric soon after, saying it could reach the U.S. military holdings in Guam with the intermediate-range missiles it first tested in May.

Bennet has taken a more measured approach, calling for “clear and sustained diplomatic efforts, backed by economic pressure.”

“This will require deterrence and concerted efforts to work with countries in the region – not reckless tweets that escalate the situation,” Bennet said, taking a jab at Trump.

U.S. Sen. Cory Gardner, a Republican and chairman of the Senate’s subcommittee on East Asia and the Pacific, has also taken a more measured approach. He is calling for sanctions until it hurts the “rogue regime.”

“Our policy toward North Korea should be straight forward,” Gardner said in a statement Wednesday afternoon. “We will deploy every economic, diplomatic and, if necessary, military tool to deter them.”