Police are investigating antisemitic vandalism discovered on Tuesday morning at Shaare Tefila Congregation in Olney, Md., as local and state officials condemned the incident and pledged accountability.

Officers from the Montgomery County Police Department’s 4th District responded to the conservative synagogue on Georgia Avenue around 8 a.m., following reports of graffiti.

Police stated that sometime overnight between Feb. 9 and Feb. 10, unknown suspects spray-painted antisemitic phrases and symbols on multiple signs in front of the synagogue. The department said it is actively investigating, canvassing the area and reviewing surveillance footage. Patrols in the area have been increased.