Seven men have been convicted of carrying out twin bombings which killed 76 people who were watching the 2010 World Cup final in the Ugandan capital Kampala.

Heavily armed police have surrounded the headquarters of Uganda's main opposition party and fired tear gas from a helicopter to disperse a crowd, raising tensions amid mounting allegations of vote-rigging in elections.

Pope Francis has arrived in Uganda on the second leg of his Africa pilgrimage, honouring the country’s most famous Christians and declaring Africa the “continent of hope”.