Possibly terror-related. Stay tuned for rolling updates.
Update:
Via the Jerusalem Post:
A truck carrying two Palestinians broke through the security barrier at Ben Gurion airport early Tuesday morning and stopped only when security guards fired warning shots in the air, Army Radio reported.
Many tweeters are claiming the two Palestinians were shot and killed. Those reports appear to be false, at least if the Jerusalem Post article is correct.
Update:
This tweeter says Israeli media are reporting that the airport security guards did indeed shoot at the two men (unconfirmed):
Update:
The airport is reportedly still in lockdown (unconfirmed):
Related (from earlier today):
Benjamin Netanyahu has a message for anyone considering attacking Israel
Update: