Afghanistan and Pakistan exchange cross-border strikes in escalating retaliatory attacks

By Sophia Saifi, Saleem Mehsud, Hira Humayun, CNN Islamabad (CNN) — Pakistan says its military forces are responding to an attack launched by the Afghan Taliban earlier on Thursday, marking the latest escalation of violence between the neighboring countries. “Taliban regime forces are being delivered punishment in Chitral, Khyber, Mohmand, Kurram and Bajaur sectors,” Pakistan’s