Randy Jackson's assistant says the younger brother of late pop star Michael Jackson was hospitalized in Pasadena, Calif., after suffering a mild heart attack.

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The 48-year-old singer and musician was admitted to Huntington Memorial Hospital Tuesday after experiencing chest pains, E! News said.

"Randy was admitted to the hospital yesterday," Jackson's assistant told the entertainment news program. "He will be staying overnight. He suffered from a mild heart attack. Thank you for your concern. He is doing as well as expected."

Jackson said via Twitter earlier this month that he is still having a difficult time dealing with Michael's death, which occurred June 25, 2009.

"How do I cope?" E! News said Randy Jackson tweeted. "I have a strong Christian faith & find power in prayer… although this month is hard."