A judge declined Wednesday to set bail for a defendant suspected of fatally shooting a man in a Gaslamp Quarter building.

The circumstances of the slaying of Antwan Eugene Bluthenthal , 46, were not discussed in court by attorneys when Brian Tyner, 37, pleaded not guilty to a murder charge in San Diego Superior Court .

Bluthenthal was shot around 5:20 p.m. Sunday on the third floor of the building at G Street and Sixth Avenue, which is home to several businesses.

Both Bluthenthal and Tyner are believed to have visited a bar, Cielo Rooftop Lounge, at the downtown building on Sunday, but the shooting took place below the establishment.

In a statement, Cielo officials said “We want to clarify while Cielo operates on the fifth floor, the incident took place on the third floor in a separate

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