At least 26 Kenyans are still missing after being abducted by security forces over the past year, according to rights groups. Their families want answers.

Demonstrators joined antigovernment marches across the country a year after huge rallies against a contentious tax plan left more than 60 people dead.

Sixteen people died during nationwide anti-government protests in Kenya on Wednesday, most of them killed by police, the head of Amnesty Kenya said, a year after deadly demonstrations against a tax bill culminated in the storming of parliament.