Zimbabwe's President Robert Mugabe celebrates 93rd birthday at a school just outside Bulawayo, the country's second biggest city. Helena Williams reports.br br Subscribe: br More updates and breaking news: br br Reuters tells the world's stories like no one else. As the largest international multimedia news provider, Reuters provides coverage around the globe and across topics including business, financial, national, and international news. For over 160 years, Reuters has maintained its reputation for speed, accuracy, and impact while providing exclusives, incisive commentary and forward-looking analysis.