Authorities released a person of interest in the Brown University shooting after evidence pointed elsewhere, leaving no known suspect in the attack that killed two students and injured nine. The shooting occurred during an economics review session, prompting Brown University to cancel all classes and exams due to safety concerns. Investigators are still searching for the gunman, described as a male in his 30s, while the community grapples with anxiety over the incident. Teljes cikk (Euronews.com)