Stephane Sessegnon's superb goal set Sunderland on the way to victory over Swansea as the Black Cats extended their unbeaten home record under Martin O'Neill.
The Benin international produced a fine 14th-minute finish to open the scoring, and substitute Craig Gardner made sure with a thumping volley five minutes from time.
But the hosts did not have things all their own way and goalkeeper Simon Mignolet had to pull off a good 58th-minute save to keep out Gylfi Sigurdsson's free-kick in a tight encounter.
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