Soldiers have dispersed a small group of demonstrators who had gathered for the fourth day of protests in the port city of Sohar in Oman.
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One person was wounded after shots were fired into the air. The crowd dispersed only to regroup at a roundabout near the port.
They had also gathered on Monday and blocked the entrance to the port, which exports 160,000 barrels of refined oil products every day.
It is a rare outbreak of discontent in the normally sleepy country, and follows the pattern of anti-government protests across the Arab world in recent weeks.
Yesterday, the Sultan of Oman promised a raft of measures aimed at tackling unemployment and inequality.