Gunmen killed 14 people in a Shiite-majority area in central Afghanistan, the Taliban said Friday, in one of the deadliest attacks in the country this year. Six other people were wounded in the assault.

The Islamic State group claimed responsibility before the Taliban acknowledged the shootings, which took place Thursday and targeted Hazara Shiite people as they traveled between the provinces of Ghor and Daikundi.

A machine gun was used in the assault, the ISIS group said. It gave a higher…