One person was critically injured, and five others were in serious condition but none of their conditions was life-threatening.
Abou-Arab set fire to a building the killed Toledo firefighters Jamie Dickman and Stephen Machcinski in 2014.
Two firefighters were caught in a wall collapse with battling a commercial structure fire in Murfreesboro, Tennessee.
Firefighters rescued several people during a three-alarm apartment fire in Baltimore County.
By early Sunday, Fresno Fire was still working on 14 fires throughout the city.
Fire Chief Mark Rohlfing said that he believes the firefighter did not act with racist or sexist intent, or target an individual member or group.
Four Beech Grove firefighters were hurt when a driver struck their fire truck as they were pulling off a hoseline.
Police pursuit from L.A. into San Bernardino County.
Witnesses said they saw two planes colliding above the water.
Seven of those injured in shootings were minors.