On Tuesday afternoon, a man in Dale County, Alabama, near Midland City, got on a school bus, demanded a child be let off with him, then shot and killed the bus driver when he refused. The shooter, identified as Jimmy Lee Dykes, then took the boy from the bus and is currently holed up with him in an underground bunker nearby.
For the first time, women in the armed forces will be moved into combat roles. Secretary of Defense Leon Panetta will make the official announcement Thursday.
Update 2:55 p.m.: One shooting victim's name is Jody Neal, according to his uncle and sister, who were interviewed at the scene.
Update 2:50: "The police believe the danger has been mitigated," according to a spokesman for the college. "The school is under control but still being evacuated."
A small college in Houston is on lockdown following what appears to have been a shooting on campus on Tuesday. One suspect has been detained, and a second is possibly on the loose, according to local authorities.
Wednesday afternoon, President Obama proposed numerous measures in response to a string of recent mass shootings across the country, including one at Sandy Hook Elementary School in Newtown, Connecticut, in which 20 children and six adults were murdered by a gunman.
UPDATE 4:07 p.m. EST: Authorities have identified the gunman as William Spengler, an ex-convict who spent 17 years in prison for murdering his 92-year-old grandmother in 1980.
Spengler was paroled for the crime in 1998.
Police also have not located Spengler's 67-year-old sister, who lived in the house with Spengler.
Authorities also report that a total of seven houses were destroyed in the blaze.
UPDATE 12:40 p.m. EST: Police chief Gerald Pickering says that the gunman, who was killed at the scene, either by police or from a self-inflicted wound, may have set a trap for first responders.
UPDATE 12:15 p.m. EST: The Associated Press is reporting that the gunman who killed the two firefighters is also dead. His body was found at the scene. The names of the two deceased firefighters, according to the Democrat and Chronicle, are Mike Chiapperini, 43, a volunteer firefighter and the Webster Police Department’s public information officer, and Tomasz Kaczowka. The names of the wounded firefighters are Joseph Hofsetter and Theodore Scardino.
Early Monday morning two firefighters were shot and killed when responding to a call in Webster, New York, just outside Rochester. After the firefighters arrived at 191 Lake Road, an unknown shooter fired at them as they left their truck, killing two of them and wounding two others. The wounded men are at a nearby hospital; one is in stable condition, the other is in guarded condition.
NOTE: This post will be continually updated as new information comes in. Video and photos are below. All times Eastern.
UPDATE 6:30 p.m.: Originally it was thought that Adam Lanza, the gunman, shot his mother at the Sandy Hook Elementary school, where she was a teacher's aide. ABC has learned that, in fact, Nancy Lanza was killed at her home (by her son) prior to the massacre. He then drove to the school, where he killed 20 children and six adults, before killing himself.