FAIRFAX, Va. (AP) — Officials say that for the second time in a week someone set off a bottle bomb at a movie theater complex in Fairfax County, leading to the evacuation of the theater but no injuries.

Fairfax County fire officials say the latest incident happened around 2 a.m. Sunday at the AMC Tysons Corner 16 movie theater. The device exploded near theater number one toward the end of a showing of the new X-Men movie. More than 300 people were evacuated from the theater. Two juveniles were exposed to the liquid inside the bottle but were not hurt.

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Officials are investigating to see if the incident is connected to one May 18 where two explosions occurred.

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A similar incident took place early Saturday at a theater in Largo, Md. No one was injured.

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