Every move of him on regional and more global size is suggesting it. He is connected to people that are allegedly close or members to the MB. High number of members of the MB are in Turkey. His abuse of religion for political purposes and support for terrorist organizations and especially Hamas. When you look at the name and the logo of AKP only you can understand the relation to the MB.
Turkey
Morocco
Similar or almost similar concepts are present in Tunisia, Lybia, Algeria etc. All of the named have deep relations to Muslim Brotherhood.