Weapons; possession or transportation; facilitythat provides mental health services or developmental services; penalty. Makes it a Class 1 misdemeanor for any person to possessin or transport into any facility that provides mental health servicesor developmental services in the Commonwealth, including a hospitalor an emergency department or other facility rendering emergencymedical care, any (i) firearm or other weapon designed or intendedto propel a missile or projectile of any kind; (ii) knife, excepta pocket knife having a folding metal blade of less than three inches; or (iii) other dangerous weapon, including explosives and stun weapons.The bill provides that any such firearm, knife, explosive, or weaponis subject to seizure by a law-enforcement officer and specifiesexceptions to the prohibition. Weapons; possession or transportation; hospital that provides mental health services or developmental services; penalty. Makes it a Class 1 misdemeanor for any person to knowingly possess in or transport into the building of any hospital that provides mental health services or developmental services in the Commonwealth, including an emergency department or other facility rendering emergency medical care, any (i) firearm or other weapon designed or intended to propel a missile or projectile of any kind; (ii) knife, except a pocket knife having a folding metal blade of less than three inches; or (iii) other dangerous weapon, including explosives and stun weapons. The bill also provides that notice of such prohibitions shall be posted conspicuously at the public entrance of any hospital and no person shall be convicted of the offense if such notice is not posted, unless such person had actual notice of the prohibitions. The bill provides that any such firearm, knife, explosive, or weapon shall be subject to seizure by a law-enforcement officer and forfeited to the Commonwealth and specifies exceptions to the prohibition. This bill is identical to HB 861.