Overview

• The former prime minister became fatigued after cycling during a public picnic in Putrajaya to mark his 100th birthday on July 13.
• His aide, Sufi Yusoff, said he left the event early and was admitted to the National Heart Institute around 10am for rest and observation.
• Mahathir drove himself to the picnic and rode a tandem bike before growing tired and departing with his wife, Hasmah Mohd Ali.
• He has a history of heart problems that includes bypass surgeries and a respiratory infection that hospitalized him last October.
• The picnic also coincided with his wife’s 99th birthday, underscoring the couple’s shared public profile at the Perdana Leadership Foundation.