<span style="color: black;">The South African government plans to deploy 25,000 troops after days of widespread looting and violence. The military deployment ' to counter riots sparked by the jailing of former President Jacob Zuma ' is the biggest since the end of apartheid.<br />''</span><br />'' <span style="color: black;">At least 72 people have died and more than 1,700 have been arrested in South Africa's worst unrest in years.</span><br />''<br />'' <span style="color: black;">Protests began last week after Zuma handed himself into police to serve a 15-month sentence for contempt of court.<br />''</span><br />'' <span style="color: black;">Zuma's supporters reacted furiously to his imprisonment, blockading major roads and calling for a shutdown to demand his release.</span><br />''  <br />