U.N. human rights experts called on Saudi Arabia on Wednesday to free three young Shi’ite Muslims whose death sentences for taking part in protests as minors have been commuted, citing allegations of torture and unfair trials.

The kingdom’s human rights record has come under growing U.N. and Western scrutiny. The United States last week imposed sanctions on some Saudis for the killing of journalist Jamal Khashoggi in 2018, but spared crown prince Mohammed bin Salman.