The Norwegian topped Moreno Hofland (LottoNL-Jumbo) and Roy Jans (Wanty Groupe Gobert) at the end of the 176.5-kilometre stage to Naseem Park.
Edvald Boasson Hagen (Dimension Data) took no risks, finishing safely in the peloton to hold onto his lead over Vincenzo Nibali (Astana) and Greg Van Avermaet (BMC Racing).
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