There’s a thin bit of cord that surrounds a smattering of tents and people, older and younger alike, while the sound of hammers pounding tent nails rings in the air. A soccer ball goes back and forth between campers wearing keffiyehs and a Palestinian flag whips in the evening wind.

San Francisco State University will reopen Wednesday for in-person classes now that a person of interest has been arrested in connection with an armed violence threat that shut the school down Tuesday. According to university officials, a “a non-specific violent threat” was posted on social media. Students who saw the