NEW YORK (TheBlaze/AP) — Boston Marathon bombing suspect Dzhokhar Tsarnaev’s (joh-HAHR’ tsahr-NEYE’-ehvz) sister has been accused of threatening to bomb a New York City woman and has been arrested.

Police say Ailina Tsarnaeva (tsahr-neye-EH’-vuh) made the threat via telephone Monday, allegedly telling the woman, “Leave us alone. I know people who can put a bomb on you,” according to the New York Post.

Law enforcement sources reportedly told the Post that the woman is the mother of Tsarnaeva’s live-in boyfriend’s children. The boyfriend is reportedly in the middle of a tense custody dispute involving their three children.

FILE- In this Oct. 13, 2014 file photo, Ailiana Tsarnaeva, sister of Boston Marathon bombing suspect Dzhokhar Tsarnaev, departs district court in Boston’s South Boston neighborhood. Tsarnaeva has been arrested in New York City for allegedly threatening to bomb a Harlem woman. Police say that she is charged with aggravated harassment for threatening the woman over the phone on Monday, Aug. 25. She was issued an appearance ticket and is due back in court on Sept. 30. (AP Photo/Steven Senne, File)

Tsarnaeva turned herself in Wednesday and was charged with aggravated harassment.

Police say the North Bergen, New Jersey, resident is due in court Sept. 30.

Tsarnaeva has been required to check in with Massachusetts probation officers since last October after prosecutors say she didn’t cooperate with a counterfeiting investigation. Her lawyer in that case hasn’t returned a message seeking comment. A working home phone number for her can’t be found.

Dzhokhar Tsarnaev is charged in the April 2013 marathon explosions, which killed three people. He has pleaded not guilty. His brother died after a gunbattle with police.