At 12:03 a.m. Sunday, two Yale graduate students — a man and a woman — were standing on a sidewalk near the corner of York and Chapel streets when a group of approximately six or seven people walked by and made some obscene comments to the woman, Yale Police Lt. Michael Patten said.

The man then told the group to “show the lady some respect,” after which someone in the group punched the man in the head, police said.

No arrests were made.

Johnny “Red” Walker caught drinking in public

At 7:15 p.m. Sunday evening, John Walker, 53, and John Mitchell, 47, both of New Haven, were issued infractions by police for drinking in public. The incident occurred outside of the Citgo gas station at 1 Dixwell Ave.

Trespassing at Slifka Center

At approximately 5:30 p.m. Sunday, Jeffrey Lenore, 39, of New Haven, was arrested for criminal trespassing in the first degree and breach of peace in the second degree when he did not leave the Slifka Center after being asked to leave by people inside the center, police said.

Police said this was Lenore’s first visit to the Slifka Center.

Ice slinging on Broadway

At approximately 10:50 p.m. Wednesday, police officers were called to the sidewalk in front of A 1 Pizza on Broadway after complaints were made that Kenneth Boyd, 49, of Hamden, yelled at people and threw a cup of ice water at somebody walking by him, police said.

Boyd was arrested for breach of peace, Patten said.

Narcotics at Elm and York

Last Thursday morning, at around 12:20 a.m., police found narcotics in a car that they pulled over after running the license plate numbers and discovering the numbers did not match those of the car, police said.

Police searched the car and found a small bag filled with a white substance in the central console of the car. After field testing the substance, police determined that the substance was some sort of narcotic, police said.

Police arrested the driver for possession of narcotics and for driving without a license.

Trespassing and narcotics at Citgo

Police were called to the Citgo station on 1 Dixwell Ave. at approximately 5:30 p.m. Tuesday after receiving a standing trespass complaint for Gregory Russell, 36, of New Haven. After arresting Russell for trespassing, police searched him and found a pipe with narcotics residue in his pocket, police said. Russell then made threatening comments to the officers, police said.

Russell was charged with criminal trespass in the third degree, possession of narcotics paraphernalia, and threatening.