"Doris was obviously in good shape given her position at the World Cross Country and it showed when she just pulled away from me on the steepest part of the course, " said Pavey.

BBC: Great Ireland double for Kenyans

With recent restrictions imposed on their activities by Eritrea the UN forces are being left in an increasingly untenable position and with little prospect of border demarcation, the chances of the force being pulled out must be growing.

BBC: NEWS | Africa | Q&A: Horn's bitter border war