Michael Buble's three-year-old son has been diagnosed with cancer.
The Canadian singer has said in a social media statement that he and his partner Lusiana are "devastated about the recent cancer diagnosis of our oldest son Noah".
Buble says they will both put their careers on hold to "devote all our time and attention to helping Noah get well."
The singer has said he expected the battle to be tough.
"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."