Secretary of State Marco Rubio is in Israel where he'll meet with Prime Minister Netanyahu Monday, as leaders of Arab and Islamic countries also prepare for an emergency summit.
Trump has long expressed fascination with the royal family. The U.K. government will tap into that this week during a state visit that combines pageantry and politics.
President Trump's U.K. state visit this week won't include the Scottish island where his late immigrant mother was born. Mary Anne MacLeod was a Gaelic speaker who learned English as a second language.
The march, organized by far-right activist Tommy Robinson, drew more than 110,000 people on Saturday. At least 26 police officers were injured in clashes that broke out.
The dead included 12 children, according to Shifa Hospital. Israel in recent days has destroyed multiple high-rise buildings and accused Hamas of putting surveillance equipment in them.