Some businesses were evacuated and the LAPD bomb squad was called in to investigate an explosion in Sherman Oaks Thursday night.

The blast happened around 7:30 p.m., prompting evacuations and street closures.

Cement debris covered the sidewalk where the explosion occurred.

LAPD was able to obtain surveillance video showing a man appearing to place a device on a cinder block.

Some cars were damaged but no one was injured.

Police are looking for the man in the video, but have no description at this time.

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