 Around ~100,000 Pakistan and Iranian troops were involved in quelling the separatist organizations in Balochistan and successfully put the resistance down in 1978–80.In May 2014, the two countries agreed to joint operations against terrorists and drug traffickers in the border regions.In 2019, following a suicide bombing in Khash–Zahedan which killed 27 Islamic Revolutionary Guard Corps and wounded 13 others, Iranian officials criticised Pakistan.