HENRICO COUNTY, Va. A downed power line closed a major roadway in Henrico's West End for several hours Thursday afternoon. Henrico Police said a power line came down across Gaskins Road near Quioccasin Road around 1:15 p.m. Thursday.As a result, officials said Gaskins was closed between Quioccasin and Gayton roads."Dominion Power has been notified and are responding to the scene," police said.Drivers were urged to "avoid the area and use alterna…