In 1999 Sajjad was killed during a jailbreak which led to the hijacking , by the group , of Indian Airlines Flight 814 in December , which led to the release of Maulana Masood Azhar , Ahmed Omar Saeed Sheikh and Mushtaq Ahmed Zargar by the Indian Government . Azhar did not , however , return to the HUM , choosing instead to form the Jaish-e-Mohammed ( JEM ) , a rival militant group expressing a more radical line than the HUM , in early 2000
Indian Airlines Flight 814
Indian Airlines Flight 814
Harkat-ul-Mujahideen