With reports of further deaths in Yemen as security forces clashed again with anti-government demonstrators in recent days, protesters are again planning on taking to the streets in cities across the country on Friday.

The unrest comes as the opposition rejected Gulf states' mediation on the transfer of power.

President Ali Abdullah Saleh is refusing to stand down - but the opposition want him out in 14 days.

Al Jazeera's Caroline Malone has more details.