Islamic State claimed responsibility for the shooting death of a female TV presenter and women's rights activist in Afghanistan on Thursday, an attack that underscored an increasing trend of violence against journalists in the country.

Malalai Maiwand, a presenter at Enikas Radio and TV in the eastern province of Nangarhar, was killed along with her driver in the attack on their vehicle in the regional capital Jalalabad, taking the total number of journalists and media workers killed this year in Afghanistan to 10...