Thanks to a pointer at a RUSI-British Yemeni Society conference on leaving Aden in 1967 (more on another thread one day) I learnt that Yemenis from the Hadhramaut Region, the former colonial era Eastern Aden Protectorate, had a diaspora across the Indian Ocean to India and Indonesia, which remains active today. Not only with commercial trading, religion and family settlements long-established that remain today.

I wonder if these links have helped AQ and more recently ISIS with their mission to expand, not only in the Yemen, but elsewhere.

There is a new book, from July 2017, on the theme: 'Hadhramaut and Its Diaspora: Yemeni Politics, Identity and Migration'. For a review see:http://middleeastreviewsonline.com/m...ity-migration/