ATTACK: Iranian intelligence chief, Unknown assailants respond after Killing of an Iranian intelligence chief overnight
RESPONSE: Iranian leadership experiences multiple short-tenured official deaths
OUTCOME: Leadership instability and possible escalation of tensions in Iran.
ATTACK: Iraq, Iraqi Air Force, Iran respond after Iraq launches air raids on Iranian cities including Tehran
RESPONSE: Iranian air defenses and retaliatory strikes increase
OUTCOME: Civilian populations targeted, war reaches urban centers.
Reasoning
Both events share a causal shape of an attack triggering a state response leading to escalation of conflict, despite differences in scale and actors.