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EAST CLEVELAND, Ohio-- An emotional plea from a mother desperately trying to find her teenage daughter, who has been missing more than a week.

During that time, she says she continues to receive disturbing text messages from her daughter’s cell phone.

Lakeya Williams is joined by relatives, friends and community activists Monday afternoon as they canvass a neighborhood near East 30th Street and Cedar Avenue in Cleveland. They are searching for Lakeya's daughter, 15-year-old Chaday Lentes.

"It was a rumor in the school going around that she was seen in the 30th and Cedar area. Everybody was saying 'I just seen her. She was just here,'" said Chaday’s mother, Lakeya Williams.

Chaday was last seen Friday, May 30. She had gone to visit a friend in the Lee-Harvard area. According to her mother, she went to go visit another friend, but hasn't been heard from since.

"Sunday night, it got 10, 11, 12:00, she wasn't there. When I woke up that morning she wasn't there. I called the school, they said she wasn't there, so that's when I got concerned and called East Cleveland," Williams said.

Police said they are investigating the girl's disappearance.

Lakeya said Chaday was excited about her middle school graduation which was last Thursday, and she did not attend.

"Everybody in my family been texting her phone and calling her phone and we've been getting no responses from her," said Williams.

This past weekend, Lakeya said she did start to receive disturbing, profanity-laced text messages from her daughter's phone.

One text read: "I killed your baby."

Another said: "That's y she not comein back, she bout some were far."

Yet another read: "She was calling yo name...she wanna come home but nott."

"It's so confusing 'cause you don't know what to think," said the missing girl’s aunt, Terry Walker.

A liaison with Cuyahoga County's newly-created Missing Persons Unit joined the family to offer support.

"We have designated two sheriff's deputies to assist in cases such as this. Our deputies are aware of the situation today. If they need to come out and be involved, they're on standby," said Tanisha Knighton.

"I'm begging anybody that knows anything about my daughter's whereabouts to please contact the local police immediately," said Williams.

The family said a $500 reward is being offered for Chaday’s safe return.