Lewis Hamilton's ex-F1 teammate has career halted due to heart problem
Bad news for Heikki Kovalainen. The one-time Grand Prix winner (with McLaren in 2008) has to put his racing career on hold, at least for the time being. The Finn has been diagnosed with an enlarged aorta. Doctors advise the 42-year-old Kovalainen to undergo surgery, which is not without risk.
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