Arson investigators are continuing to determine the cause of a small vegetation fire near the Hollywood sign, authorities reported Tuesday morning.
It could take a couple days or up to a week for a determination if enough evidence is available, said Matt Spence, a spokesman for the Los Angeles Fire Department.
The fire burned less than an acre of brush on Monday evening in the 3100 block of North Canyon Lake Drive. The area is known as a popular viewing spot for the Hollywood sign, northeast of the Lake Hollywood reservoir.
As temperatures continue to rise today, Spence advises people in the Hollywood Hills to be cautious and vigilant for anyone who could be effected by the heat.
"We're heading into summer with very minimal rainfall — it's dry out there," he said. "Keep an eye out for suspicious activity like someone throwing a cigarette butt down in an obvious high-risk area. Don't hesitate to call authorities if you see anything like that."
He also advises anyone hiking the trails in the Hollywood Hills and Santa Monica Mountains to stay well hydrated and to know your limitations.