Two soldiers will be removed from combat duty and receive 30 days of military detention, Israel's military says.
One of the late pope's last wishes was for his vehicle to be used for children in Gaza, but a charity is still waiting for an entry permit.
The US president's comments come amid uncertainty over whether Iran will attend peace talks in Pakistan this week.
The Israeli military says it views with "great severity" the actions of the soldier, as the US ambassador demands "swift" consequences.
The BBC has found significant spikes in activity shortly before the US president made some announcements.
The US has intercepted an Iranian-flagged cargo ship in the Gulf as part of its naval blockade, Donald Trump has said.
Donald Trump says that the US is blockading the Strait of Hormuz. What does this mean in practice?
Tehran vows retaliation soon for what it calls an "act of armed piracy", which comes as the US prepares for a second round of talks.
Lyse Doucet speaks to Ebrahim Azizi, who says Iran "will decide the right of passage" through the crucial shipping route.
President Macron blames the attack on Hezbollah. The Iran-backed armed group denies "any connection" to the incident.