Protesters had also surged towards the presidential palace, and a government helicopter flying overhead fired tear gas at them, Reuters news agency reports.
Majambazi hayo pamoja na askari polisi waligeuza mtaa huo kuwa eneo la mapambano baada ya kutupiana risasi kwa zaidi ya dakika 15, huku jambazi moja likiuawa kwa kupigwa risasi na askari waliokuwa kwenye mpambano huo.