Destroyed car after a car bombing in Syria
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Assad strongholds rocked by deadly car bombings

There have been a series of car bombings in two coastal cities in Syria controlled by President Assad.

State media said at least 78 people were killed, while a monitoring group put the death toll at more than 145.

The so-called Islamic State (IS) group claimed it was behind the attacks.

Security correspondent Frank Gardner reports on their significance.

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