Loud explosion in North Hollywood still a mystery, police say

So what was it?

The loud explosion that jolted North Hollywood on Tuesday night remained a mystery the next morning, authorities said.

An officer at the Los Angeles Police Department's North Hollywood station said police searched the area for a half an hour Tuesday night but had no luck in determining what caused the sound. The officer said police received numerous calls about the noise.

At about 9:30 p.m., numerous people began tweeting about a loud explosion. Some thought it had come from a North Hollywood Metro station; others reported hearing an explosion in Studio City.

"Mysterious explosion a few minutes ago. What's going on? #LA" tweeted @ThatVitalSpark.

"Seriously, any leads what the hell this boom was in North Hollywood? Im shook up a bit" tweeted @RajRawal37.

A Reddit user posed the question: "What just blew up in North Hollywood?"

By 6 a.m., there were more than 120 comments, but no crowd-sourced answer. However, possibilities ranging from alien invasions to meteors were proposed.

Can you solve the case? Let us know in the comments section below or by tweeting @lanow.

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