THE death toll amid protests in Senegal over the postponement of the presidential election until December has climbed to three, as concerns grow that one of the remaining democracies in coup-hit West Africa is under threat. The announcement of the delay just three weeks ahead of the planned February 25 vote triggered violent clashes on Friday between protesters and police in Dakar and several other cities, in a wave of unrest that many fear will spill over into protracted instability. President Macky Sall has said the delay is necessary because electoral disputes threatened the credibility of the poll, but some opposition lawmakers…