One lane is blocked after an accident on the A4232 inbound at the A48 Cowbridge Road West / A4050 Port Road (Culver House Cross).
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A service will be held on Sunday to mark the 70th anniversary of a maritime disaster in which 47 people died.
Swansea ended a desperate run of one point from six games by beating Stoke 2-0 at the Liberty Stadium.
A Labour government will seek to create a new bank holiday on St David's Day, Jeremy Corbyn has announced.