David Simpson, a pilot from North Yorkshire, discovered a massacre of villagers while working in Africa. After reporting it to the authorities, he has been held in jail for more than a month with investigators claiming he could be responsible for the slaughter.
Eighteen people were tortured and hacked to death in the Central African Republic last month.
David Simpson, who's been working there for two years, says it bears all the hallmarks of an attack by local rebels.
More top news
The man entered the Yousaf Newsagent, in Fraser Street, Burmantofts, and demanded cash on Sunday at around 5.30pm.
The pony, which is thought to be two to three years old, was discovered off Scawby Road in Broughton Vale on Saturday at around 6pm.
ISG says it is pulling out because of the increasing costs and delays caused by a legal challenge