Four people were killed and some 30 wounded in grenade attacks in Burundi a week ahead of key parliamentary elections, as government and opposition on Monday traded blame for the blasts. The troubled central African nation has been in crisis since late April over President Pierre Nkurunziza’s controversial bid to stand for a third consecutive five-year term, a move branded by opponents as unconstitutional and a violation of a 2006 peace deal that ended 13 years of civil war. Presidential communications chief Willy Nyamitwe blamed the opposition, saying they wanted to replay the situation seen in elections in 2010, when they boycotted polls. “This terror campaign has a similarity with what happened in the aftermath of 2010,” he said, blaming the attacks on “politicians and civil society activists who promised the people that there will be no elections at all in 2015.” Parliamentary elections are planned for June 29, ahead of the presidential vote on July 1...