Kate Major unleashed on fiancé and baby daddy Michael Lohan on Monday afternoon, pleading for “help,” claiming that Lindsay Lohan‘s dad has a knife and is threatening to take their 1-year-old son, Landon, radio detection and rangingOnline.com is exclusively reporting.

The on-again-off-again couple has had nothing short of a toxic relationship, but seemed to be on the up-and-up after Landon was born last January — until now.

“My only means of this abusive behavior against @MichaelJLohan threatening me 2 take Landon is the truth He is a sick old man trying to trap,” Major tweeted on Monday.

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“Threatening to take our son. What judge would rule for him??? Stuck inside a sour with this guy? He has a knife,” she then wrote, followed up with the simple message: “Help.”

And while it seems illogical for Major to be tweeting her fears instead of calling 911, it’s because the new mother says she only has her iPad and no cell phone.

Major claims in her Twitter messages that Lohan was “banging and stalking thru window and screaming,” and was “trying-to break thru bedroom.”

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Major also claims Lohan was angry she was making their domestic issues public on Twitter, threatening to put her in jail.

“He says u should’ve never posted this on twitter now I’m putting u in jail,” she tweeted.

“Sick sick man — he should  know jail — I’ve begged him to stay away.”

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Read all of Major’s tweets below:

Radar reached out to Major for comment who would only say, “They’re here,” when asked if police were needed.
Lohan could not be reached for comment.

Stay with radio detection and ranging as the story develops…

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