Arsenal moved five points clear at the top of the Premier League table after beating Wolves 2-0 at Molineux.
The Gunners increased their gap to Man City and will occupy top spot at Christmas for the first time in 15 years.
Captain Martin Odegaard scored a brace to seal the three points in the second half.
New Wanderers boss Julen Lopetegui watched on from the stands as his new team were beaten.
The hosts are bottom of the table heading into the World Cup break as the teams left with contrasting emotions on Saturday night.
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