June 7 (UPI) -- South Korea's President Lee Jae-myung spoke for the first time with U.S. President Donald Trump late Friday as both leaders agreed to further strengthen their nations' alliance.

Lee, who took office Wednesday, talked with Trump in a 20-minute phone call, according to the presidential office of South Korea .

The White House has not confirmed the conversation, and the president, who is in New Jersey this weekend, hasn't posted about the call on Truth Social.

The two presidents agreed to strive toward reaching a mutually acceptable trade agreement, including on tariffs.

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