ITHACA, N.Y. -- This weekend Ithaca Police will have extra officers patrolling the streets on the lookout for unsafe and intolerable activity - in particular, violations committed by pedestrians. Police say extra officers will be on patrol from July 22 to July 25 during various hours of the day and night. A release by police advises that "officers will utilize a zero tolerance approach for all violations observed." The department says the goal is to increase pedestrian safety on Ithaca's streets, sidewalks and crosswalks.