While some Angelenos cast around for someone to blame, a whole cooperative emergency-response system whirred to life.

Firefighters were dispatched to two new blazes that erupted Wednesday — a brush fire that prompted evacuations near the Hollywood Hills and a structure fire in Studio City.

Water-dropping helicopters attacked a brush fire in the Hollywood Hills that started started Wednesday ... Firefighters said the terrain in the area is steep and rugged, making an attack from ...

Other structures were also set ablaze on the hillside ... crews are responding to a new brush fire in the area of Solar and Astral drives in the Hollywood Hills, in the vicinity of Runyon Canyon.

Water-dropping helicopters attacked a brush fire in the Hollywood Hills that started started Wednesday ... Firefighters said the terrain in the area is steep and rugged, making an attack from ...

Other structures were also set ablaze on the hillside. The blaze moved quickly ... Los Angeles Fire Department crews are responding to a new brush fire in the area of Solar and Astral drives in the ...