A man with a makeshift flamethrower yelled ‘Free Palestine’ and hurled an incendiary device into a group that had assembled to raise attention for Israeli hostages in Gaza, law enforcement officials said on Sunday. Eight people were injured, some with burns.

The suspect, Mohamed Sabry Soliman, 45, was booked into the Boulder County jail north of Denver and expected to face charges in connection with the attack the FBI was investigating as a terrorist act. Online records did not immediately show when he would make a court appearance.

A victim being tended to. Pics/By Special Arrangement