They launched an offensive to expel Isis from Syria in January, triggering fighting that has killed thousands.
The game, the first time Albania had played in Belgrade since 1967, was called off after 43 minutes after a drone bearing an Albanian nationalist flag was flown over the field, triggering fighting and a violent pitch invasion.
Putting the rabbits in a cage together could trigger fighting, since original rabbit will be upset with the new rabbit in his territory.
But if al-Shabaab hoped to drive a wedge through Kenyan society and trigger fighting between communities, it has achieved the opposite effect.
Other officials have since said a fight between Dinka and Nuer presidential guards triggered the fighting.
Last week in Lebanon, the assassination of an anti-Assad cleric triggered sectarian fighting in Beirut.
The intrusion triggered intense fighting between the two sides that lasted for more than two months.
The exodus has been triggered by fighting in northern Syria between Islamic State militants and Kurdish forces.
When a few weeks ago, in December 2012, supporters of the president attacked opposition members camped out outside the presidential palace and triggered street fighting that killed seven people, it only made matters worse.
