The plane crash in Pakistan's Karachi is second such major mishap since January. Here is a list of the major plane crashes that have occurred in recent past.
Ambassador Rob Macaire was detained for allegedly "inciting" protesters in Tehran angry at the military's accidental downing of a Ukranian passenger jet.
The Ukraine International Airlines plane was brought down by a missile shortly after takeoff, killing all 176 passengers and crew on board.
The responsible parties would be referred to a judicial department within the military and held accountable, the army said.
In a meeting between Iran's President Hassan Rouhani and the emir of Qatar, both sides agreed de-escalation is the "only solution" to the regional crisis.