Reports say that Bahraini security forces used teargas to disperse protesters camped out in the capital Manama this morning. Demonstrators are camping out in the pearl square in central Manama overnight and their protest entered in to fourth day today calling for sweeping political reforms. Two people have been killed during clashes with security forces so far. Country’s king Hamad bin Issa Al Khalifa had announced an investigation into the deaths of two protesters and offered his condolences to the men's families. Bahrain is the long-time home to the U.S. Navy's 5th Fleet and arguably the Middle East anchor of U.S. defense strategy. Meanwhile demonstrations have also been reported in Yemen, Libya. Two people were killed in Iran during demonstrations on Monday. Meanwhile, Wednesday saw more than 1,000 people attend the funeral in Manama of a man who was killed during clashes with police at the funeral of another protester. Mourners chanted slogans calling for the removal of the government. The disturbances in Bahrain – where the Shia Muslim majority has been ruled by a Sunni Muslim royal family since the 18th Century – are part of a wave of anti-government unrest that has swept West Asia.