Police found a broken bottle and a broken, bloody stair banister at the scene, said Sylvanowicz.
An investigation is ongoing.
Defense lawyer Chris Beares argued for his client’s release, saying Callahan was simply trying to stop a man from breaking into his home, and while pouring water on him may not have been the best idea, it was not an assault and battery with a dangerous weapon.
“He had a drunk man trying to beat his way into the building,” said Beares.
Judge Christopher LoConto set bail at $2,000 for Callahan, who will remain in custody until he deals with the outstanding warrants in other courts.
A spokeswoman at Massachusetts General Hospital was unable to provide details on Pelechowicz’s condition yesterday.
On Halloween 2007, Pelechowicz was also the victim of an attack in which he was stabbed four times on Palmer Street.
Courts reporter Julie Manganis can be reached at 978-338-2521, via email at firstname.lastname@example.org or on Twitter @SNJulieManganis.