Two plus attacker hurt in Maryland school shooting: sheriff

WASHINGTON: Three people, including the assailant, were in critical condition after a shooting at a high school in the eastern US state of Maryland on Tuesday, officials said.

St. Mary's County Sheriff Tim Cameron told the MSNBC television network that the those wounded at Great Mills High School had been taken to area hospitals.

Cameron said the shooter was engaged by the "school resource officer" responsible for security at the school after firing a round at a female student.