MAKHACHKALA, Russia - Two car bombs exploded in the capital of the Russian province of Dagestan on Monday, killing at least eight people and wounding about 20 others, investigators said.

The blasts occurred in swift succession outside the headquarters of the court bailiffs' service in the provincial capital, Makhachkala. Dagestan is beset by near-daily violence linked to an Islamist insurgency and the main suspect in the Boston Marathon bombings visited the region last year.

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