(CNN) Another New York Police Department officer has died by suicide -- becoming the ninth to do so this year -- a law enforcement official told CNN on Wednesday.

The 56-year-old officer was off duty and at home, according to two law enforcement sources. He was a 25-year veteran of the NYPD who worked in Queens, the official said.

On Tuesday, another law enforcement official told CNN that an eighth officer had died by suicide -- a 35-year-old temporarily assigned to a detail surrounding Yankee Stadium.

To get help Call the National Suicide Prevention Lifeline at 1-800-273-TALK (8255). There is also a crisis text line. For crisis support in Spanish, call 1-888-628-9454.

That officer, a seven-year veteran, left a note behind, the official said. He was off-duty at the time, two law enforcement sources told CNN.

Of the nine NYPD officer suicides in 2019, seven have happened since June. The recent cluster has rattled the department, with leaders trying to come up with a way to tell the rank and file that it's OK to ask for help

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