Cuban police have arrested at least seven dissidents after the funeral of prominent activist Oswaldo Paya, who died in a car crash on Sunday.

Those detained include leading dissident Guillermo Farinas.

At a service for Paya in Havana on Monday his son said BBC that he believed his father's car was forced off the road.

The official account is that the driver lost control and hit a tree as it drove near the eastern city of Bayano.