, May 4 -- Senior members of Israel's Cabinet were expected to vote Sunday on whether to escalate military operations in Gaza, as the army began mobilizing thousands of reserve troops in anticipation of a broader offensive, according to Israeli officials.

Also on Sunday, a missile fired by Iranian-aligned Houthi rebels in Yemen caused a temporary suspension of air traffic at Ben-Gurion Airport, Israel's main international airport. The military confirmed that a projectile landed near the airport, though it was unclear if it was the missile itself or part of Israel's missile defense response.

The potential escalation in Gaza comes amid worsening humanitarian conditions over 18 months into the conflict. In March, Israel cut off the flow of...