Investigators are pursuing several possibilities, including engine failure, a missile strike or an act of terror.
Thousands of camels and feral horses are being culled over a five-day period in drought-hit South Australia.
Both Canada and the United States called for a full investigation to determine the cause of Wednesday's crash.
Attackers breached heavy security at Camp Simba at dawn but were pushed back and four jihadists killed.
Modi has insisted that his government does not aim to marginalise Muslims with the new law.
Human-animal conflict highlighted again in drought-stricken Zambia as tourists left frozen in fear by three elephants raiding an open dining hall in a tourist lodge in search of food.
An unnamed US military dog became a unlikely hero of the raid.