For the first time since April, Iran and Israel engaged in an exchange of airstrikes between Sunday evening and Monday morning.

Iran’s attack on Israel threatens to escalate a conflict that has been largely contained since a ceasefire in April, as the president urges all sides to pull back.

Monday’s strikes by both Iran and Israel are the most serious escalation in the conflict since the ceasefire between the U.S.-Israel side and Iran went into effect in April.

U.S. President Donald Trump on Monday urged Israel and Iran to halt hostilities immediately after renewed exchanges of fire escalated tensions in the Middle East. Calling for…