PHILADELPHIA (CBS) — An 86-year-old woman has been arrested after police say she robbed a bank at gunpoint in University City on Tuesday afternoon.

University of Pennsylvania police responded to a robbery call at the TD Bank at 3735 Walnut St. around 2 p.m. on Tuesday.

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The staff at the bank told officers the woman, identified as 86-year-old Emily Coakley, demanded $400 while displaying a gun.

Emily Coakley mugshot. (credit: Philadelphia Police Department)

Police arrested Coakley without incident and recovered a revolver.

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Coakley has been charged with aggravated assault, robbery and other related offenses.