Exeter University in United Kingdom are offering up to 20 PhD scholarships for international students.

See details below and in this link: http://www.exeter.ac.uk/postgraduate/money/fundingsearch/awarddetails/?id=2461 

Africa Science Leadership Programme 2017

http://www.universityofpretoria.co.za/en/centre-for-the-advancement-of-scholarship/article/2038905/call-for-applications