Compaore went on to rule Burkina Faso for 27 years before being ousted in a 2014 uprising.
About 40 passengers were burned alive.
About 30 percent of the world's shipping container volume moves through the Suez Canal daily.
Magufuli had not been seen in public since February 27.
Footage shared on social media shows roughly two dozen students begging for help in English and Hausa.
It was the second kidnapping in little over a week.
Ten survivors were rescued by the coast guard.
Congo's eastern borderlands have been plagued by attacks by militias.
The man's friend attempted to save him by throwing elephant dung at the predator.