Zimbabwe's veteran leader Robert Mugabe has been sworn in for a new five-year term in a massive stadium inauguration that was boycotted by his election rival.<br /><br />Mugabe, 89, pledged "to observe, uphold and defend the constitution of Zimbabwe" in an oath administered by Chief Justice Godfrey Chidyausiku, extending his 33-year rule.<br /><br />Al Jazeera's Haru Mutasa reports from Harare.
