RENO, Nev. -

Authorities say an 88-year-old man is on suicide watch after he was arrested for allegedly opening fire at a Carson City hospital and critically wounding his wife.
    
Carson City Sheriff Ken Furlong said William Dresser was arrested Sunday after firing one shot with small-caliber semi-automatic handgun that struck his wife in the chest at Carson Tahoe Regional Medical Center. No other injuries were reported. The woman was a patient in a third-floor room when she was shot around 11:30 a.m.
    
Furlong said the woman's injuries are considered life-threatening, and she was transferred to Renown Regional Medical Center in Reno. Her name was not immediately released.
    
Dresser was booked into the Carson City Jail on suspicion of attempted murder under $225,000 bail.