Swansea City midfielder Gylfi Sigurdsson volleying in the opener against Chelsea after 25 minutes.
His fourth Premier League goal in five games turned out to be the winner for the Liberty Stadium hosts.
We have been experiencing some problems with subscriber log-ins and apologise for the inconvenience caused. Until we resolve the issues, subscribers need not log in to access ST Digital articles. But a log-in is still required for our PDFs.