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Boy, 13, arrested after alleged threat against Waterford middle school

James David Dickson
The Detroit News

Waterford Township — Police in Waterford Township on Friday announced the arrest of a 13-year-old boy who allegedly made social media threats against his middle school on Thursday, officials said.

After Tuesday's shooting at Oxford High School, which left four students dead and seven other people wounded, more than 60 school districts in Michigan have canceled classes due to threats.

A man tries to connect to Twitter's web page on his smart phone on March 21, 2014 in Istanbul.  Turkish authorities had blocked access to Twitter late March 20, 2014 after Prime Minister Recep Tayyip Erdogan threatened to "wipe out" the social network. Turkish President Abdullah Gul tweeted on March 21, 2014 to denounce the government's ban on Twitter, which had been introduced just hours earlier.  Critics claim it was an attempt by the government to clampdown on the spread of corruption allegations targeting Erdogan and his inner circle, which threatens the embattled leader ahead of local polls on March 30. AFP PHOTO / BULENT KILIC        (Photo credit should read BULENT KILIC/AFP via Getty Images)

Oakland County Sheriff Mike Bouchard and Prosecutor Karen McDonald say there's been a "tidal wave" of school threats the last three days.

More:60 Michigan schools close amid 'tidal wave' of copycat threats after Oxford shooting

More: Lake Orion High School student who allegedly threatened to shoot up school arrested

Waterford Police described the Thursday social media post as a "direct threat" to Mason Middle School. The post depicted a gun and was captioned: "Mason better watch out."

An investigation led to the arrest of the 13-year-old student, who attends Mason, police said. Police say that while interviewing the suspect and his parents, he admitted to making the threat.

Police arrested the teen and McDonald has charged him in juvenile court with "knowingly making a false report of terrorism," which is a 20-year felony in Michigan.

The boy is due back in court on Dec. 20 and will remain in custody until then, police said in a release.