Kara Alongi gained hundreds of followers after asking people on Twitter to call 911 Sunday. People re-tweeted her message and the hashtag "#helpfindkara" trended on the social network.
Police Chief Alan Scherb tells The Star-Ledger of Newark there was no sign of foul play in the 16-year-old's Clark home.
Scherb says the girl remains missing and should call police.
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Information from: The (Newark, N.J.) Star-Ledger, http://www.nj.com/starledger
