Updated

Authorities in South Florida are investigating two separate incidents in which an Islamic school was spray pained and a mosque received an email vowing to kill all Muslims.

Rubina Tariq, principal at Nur-Ul-Islam Academy in Cooper City, called the Broward Sheriff's Office Monday after finding a profane message painted on a wall at the school with 400 students. The paint was cleaned up by mid-day as students went home after taking final exams.

On Saturday, an email was sent to the Islamic Center of Greater Miami in Miami Gardens. The Miami Herald (http://hrld.us/1Z9KBuz ) reports it was filled with short, threatening sentences. The sender called Islam a "cancer" and "disease" and pledged to "kill every Muslim around the world."

Imam AbdulHamid Samra called the email "nasty."

Authorities are investigating.

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Information from: The Miami Herald, http://www.herald.com