At least seven people are reported dead in a fresh flare-up of violence in Yemen.
The country is in the grip of a power struggle, with demonstrators determined to oust embattled leader Ali Abdullah Saleh, who has ruled for 32 years.
Most of the latest casualties came from clashes between rival loyalist and dissident security forces in Amran, north of the capital, Sanaa.
In Aden, at least two people are said to have died when the army opened fire on protesters.
While in Taiz, on Tuesday, thousands of people marched to demand the overthrow of the president and rejected a mediation initiative by Gulf states.
The opposition is awaiting clarification of the power transition plan which it fears could offer Saleh immunity from any future prosecution.