OTTAWA, Aug. 21 (Xinhua) -- Canadian Prime Minister Mark Carney and U.S. President Donald Trump spoke by phone Thursday to discuss trade and security relationship.

According to a readout from the prime minister's office, the two leaders discussed current trade challenges and opportunities.

The leaders share priorities in a new economic and security relationship between the two countries, the readout said.

They also discussed "long-term peace" in Ukraine and Europe, it added.

The two leaders agreed to reconvene shortly, according to the readout.