The 41-year-old Canadian singer and his wife, Argentine TV actress Luisana Lopilato, said in a statement Friday that their son, Noah, is undergoing treatment in the U.S.

"Luisana and I have put our careers on hold in order to devote all our time and attention to helping Noah get well," the statement said. • Michael Buble's son Noah diagnosed with cancer at the age of three

"We've always talked a lot about the importance of the family and the love we have for our children. "Luisana and I are going to spend all our time and attention to help Noah to get better, by suspending our professional activities for now. "During this difficult time, we ask that you pray for him and please respect our privacy. We have a long journey in front of us and hope that with the support of family, friends and fans around the world, we will win this battle, God willing.”

 Bublé and his wife Luisana have two sons: Noah, born Aug. 27, 2013, and Elias, who will turn one on Jan. 22. • Michael Buble tour 'cancelled' as son Noah diagnosed with cancer at the age of three

According to Perez Hilton's blog, Noah's doctor first thought he was suffering from mumps, but further investigation revealed it was cancer. Since then, Michael and Luisana have had their second baby boy , Elias Buble, born in January 2016.
Singer Michael Bublé's son is diagnosed with cancer.