Three killed after woman detonates bomb at Moscow restaurant, state media say

The report

Security officials said the female attacker tried to enter the restaurant but was stopped by a security guard

Why this counts

What makes this worth tracking, according to BBC, is the chain of decisions it may trigger.

What precedes this

What precedes three killed after woman detonates bomb at moscow restaurant, state media say, according to BBC, is a sequence of decisions that narrowed the range of possible outcomes.

Where this fits in Signal Ledger

Related coverage from the World desk.

• Tourist plane crashes in Peru, killing 13
• EU calls emergency meeting to discuss Ceuta migrant crossings
• Italy putting nearly all major cities on highest heat alert

The lens

Signal Ledger reads this through the lens of three, killed, woman, detonates, bomb: Security officials said the female attacker tried to enter the restaurant but was stopped by a security guard.