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Joe Jackson, father of Michael, suffered a stroke while touring Brazil.

The Jackson family patriarch was visiting Brazil on his 87th birthday when he was admitted to the Albert Einstein hospital in São Paulo with an irregular heartbeart, reports the Associated Press. An organizer for the party that was to celebrate Jackson’s birthday said that Jackson was doing well. “He is perfectly conscious, he is talking perfectly well without any problems, he is completely dynamic,” Nogueira Fresco told the AP.

Jackson, who turned 87 on Sunday, has suffered strokes in the past, most recently in 2012.