The suspected gunman who killed two students at a university in the US at the weekend remains at large as authorities appealed for help in identifying him.

NEW YORK: FBI experts on Tuesday (Dec 16) combed through the vicinity of a weekend mass shooting that killed two students at the elite Brown University, as the

FBI experts have combed through the vicinity of a weekend mass shooting that killed two students at the elite Brown University, as the hunt for the gunman dragged into a fourth day.

The manhunt for the gunman who killed two Brown University students and injured seven more in a classroom shooting stretched into a fourth day on Tuesday, leaving the campus and surrounding neighborhood on edge.

Authorities in the United States have released a new video timeline and a slightly clearer image of a man suspected to be the Brown University shooter.

Investigators on Tuesday released a video timeline of the unidentified suspect in the moments before and after gunfire rang out on December 13, killing two students and injuring nine others.

Dec. 16 (UPI) -- Authorities on Tuesday released images of the person of interest in the Brown University shooting as law enforcement continues to search for the gunman and the community remains on edge.

FBI releases new timeline video and clearer suspect image as hunt intensifies after deadly Brown University shooting during final exams.

Authorities have released a timeline video comprised of surveillance clips of the suspected shooter. Read more at straitstimes.com. Read more at straitstimes.com.

Authorities are asking the public for any footage they might have of the gunman who fatally shot two students and wounded nine others at Brown University.

With the killer still at-large, Providence is understandably tense, and additional police were sent to city schools on Tuesday to reassure worried parents that their kids will be safe.

The gunman remains at large more than three days after the shooting. Read more at straitstimes.com. Read more at straitstimes.com.

The new surveillance video, tweeted by FBI Director Kash Patel, showed the suspected shooter walking around multiple pavements near the Brown University engineering building where the shooting occurred that killed two and wounded nine others.