Yemen, an impoverished Arab country, has been gripped by one of the most active regional Al Qaeda insurgencies
He made the call in a video titled 'Be Not Divided Among Yourselves', reportedly published on Sunday
US has constrained the al-Qaeda's effectiveness and their ability to recruit, train, and deploy operatives from their safe haven in South Asia
The announcement by the State Department prohibits US citizens to engage in transactions with AQIS
He was recovered in May through a joint operation carried out by Afghan and US forces from Afghanistan's Paktika province
Britain-based watchdog group said the rebels finally managed to capture the towns of Zaytan, Khalsa and Burneh
US considers AQAP the most dangerous Al-Qaeda branch and regularly conducts air strikes against jihadist group
All 17 have been chargesheeted for alleged offences under sections of the Unlawful Activities (Prevention) Act
They were killed for promoting homosexuality in Muslim dominant region
A message by Maulana Aasim Umar, Al Qaeda chief in south Asia, was left on the website