Gov. Larry Hogan issued a statement late Monday saying he was declaring a state of emergency and calling up the National Guard. “These acts of violence and destruction of property cannot and will not be tolerated,” he said at a late-night press conference. Freddie Gray attorney urged end to violence. Even the sister of Freddie Gray, Fredericka, has deplored the violence. Maryland’s governor called up the National Guard late Monday. 500 state troopers were deployed in the area. At least 27 people have been arrested. Schools will be closed Tuesday, and curfews that apply to both adults and children are to begin Tuesday night.