Eddy Merckx, 74, the most successful man in the history of competitive cycling, is in intensive care after falling off his bike during a ride with friends in Belgium

The most successful cyclist in history, Eddy Merckx, is in intensive care after falling during a bike ride with friends.

The 74-year-old was admitted to Dendermonde hospital in Belgium on Sunday.

He suffered head injuries and remains in intensive care.

The most successful cyclist in history, Eddy Merckx, is in intensive care after a bike fall

 Merckx has a history of history of heart problems, and had a pacemaker installed in 2013, prompting doctors to be more cautious.

Further tests are set to take place on Monday. 

The Belgian won an unparalleled 11 Grand Tours in his career, including five Tours of France, five of Italy and one in Spain.