Overview

• Hamilton said Friday that Roscoe was hospitalized for a renewed bout of pneumonia, was sedated for checks, went into cardiac arrest, and had his heartbeat restored by veterinarians.
• He wrote that Roscoe is in a coma and that clinicians will try to wake him "tomorrow," with no prognosis shared beyond his social-media updates.
• Photos Hamilton posted show Roscoe unconscious on a ventilator with Hamilton at his side, prompting an outpouring of support from fans.
• Ferrari confirmed Hamilton will not take part in Pirelli’s Mugello test, with Zhou Guanyu stepping in alongside Charles Leclerc, and the team did not state a reason for the change.
• Roscoe, adopted in 2013 and a familiar F1 paddock presence, had pneumonia earlier this year and received antibiotics alongside complementary treatments, according to prior updates from his trainer.