LOS ANGELES (CBSLA.com) — An LAPD investigation into reported death threats against an Oscar-nominated actress was underway Monday.

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A search warrant obtained by the Los Angeles Times shows police launched an investigation in June into a series of Twitter messages sent to “Juno” actress Ellen Page.

KNX 1070’s Jan Stevens reports the Twitter threats accompanied phone calls to the L.A. Film Festival targeting the 25-year-old actress ahead of the June 14 premiere of her latest film, “To Rome With Love”, directed by Woody Allen.

A man had reportedly threatened to kill Page “sometime in the next year” in a public place, according to TMZ.com.

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One of the messages reportedly said, “I’m going to murder Ellen Page. She’s dead,” TMZ reported.

“You have to take every threat seriously,” Founder and President of Kadim Security Services, Louis Perry, told KCAL9’s Suraya Fadel. “In terms of calming down the client, I keep it real, telling them this is what you need to do and not do.”

Detectives with the LAPD Threat Management Unit are seeking a search warrant to see if they can trace the Twitter account or accounts from which the threats were sent.

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Page —who was nominated for a Best Actress Oscar in 2007 for her role in “Juno” —has over 340,000 followers on her own Twitter account, but has yet to publicly comment on the investigation.