handcuffs.JPGSan Francisco police have arrested an 18-year-old man suspected of vandalizing a San Francisco Municipal Railway train earlier this month.

Leonel Jarquin allegedly used a knife to vandalize windows of a light-rail vehicle on April 12, police said.

When a woman on the train alerted the driver, Jarquin along with two 17-year-old accomplices got off the train at Arleta Avenue and Bayshore Boulevard, according to police.

After exiting the train, Jarquin struck the light-rail vehicle with a bottle, damaging 30 windows, police said.

Jarquin was arrested at the scene on suspicion of vandalism and conspiracy, and the 17-year-old boy with him was cited. The 17-year-old girl in the group was detained but later released to parental custody.

Vandalism, including damage to Muni vehicles and facilities, cost San Francisco nearly $5 million in 2009.

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