An Egyptian national wounded 12 at a pro-Israel rally with firebombs; he told police he intended to kill “all Zionist people.”

While Mohamed Soliman occupies a cell in Boulder County Jail in Colorado, hundreds of miles away, his wife and five children are also in detention, at the hands of Immigration and Customs Enforcement.

The FBI is investigating the attack as “an act of terrorism,” the agency said. It happened at a weekly walk in support of the Israeli hostages held by Hamas in Gaza. Among the victims is a Holocaust survivor, according to a person who knows the victim and was at the event. It is unclear what their condition is.