A suicide bomber blew himself up in the Afghan capital on Saturday, killing at least 15 people as voting concluded in parliamentary elections overshadowed by the threat of violence and long delays at polling stations.

Afghan voters brave attacks, delays on election day

Nearly 170 Afghans were killed or wounded in poll-related violence on Saturday, officials said, as the legislative election turned chaotic with many polling centres opening hours late -- or not at all -- due to technical glitches and lack of staff.

Nearly 170 casualties as violence rocks chaotic Afghan elections

At least 10 election candidates have been killed, thousands of polling centres closed, and many voters are likely to stay home due to the threat of militant attacks.

Afghan-style democracy faces test in legislative election