This is CNBC’S live blog about the conflict in the Middle East.

There is widespread uncertainty about whether a ceasefire in the brief war between Israel and Iran will hold, even after it was touted by U.S. President Donald Trump.

Trump said he was “not happy” with Israel and Iran after both nations engaged in attacks on each other following his announcement of the truce.

“THE CEASEFIRE IS NOW IN EFFECT. PLEASE DO NOT VIOLATE IT!” Trump wrote in an early morningTruth Social post.

CNBC reporters are covering the Middle East conflict live on air and online, reporting from Washington, D.C., London, Dubai, San Francisco, Singapore and Englewood Cliffs, N.J.