By CBS3 Staff

PHILADELPHIA (CBS) — On Monday, a judge released retired Chester firefighter Robert Sanford from jail following his alleged role in the Capitol riots. The judge placed Sanford on house arrest.

He is accused of throwing a fire extinguisher at law enforcement during the rioting.

READ MORE: Gas Prices Continue To Fall In New Jersey, Pennsylvania And Delaware

Meanwhile, FBI Director Christopher Wray testified before Congress today.

READ MORE: Many Families Expected To Travel To Jersey Shore For July 4: 'I Gave Up Other Things Just To Make It To Ocean City'

He says the bureau sent out a warning for the potential of violence ahead of the Jan. 6 insurrection.

MORE NEWS: Investigation Underway After 2-Alarm Fire Leaves Man Dead, 2 Firefighters Injured

Wray says authorities have arrested more than 300 people.