US
Officers were called to the scene when gunshots rang out during a party in a hotel room
Police say the shooter fled the lecture hall before turning his gun on himself
Mainak Sarkar, 38, shot himself dead after this week's killings
Shooting was reported shortly before 10 am in Boelter Hall, say police
Sunday's incident is the latest in a series of recent shootings on US campuses
It is long overdue that the legislative & executive branches of US implement better policies on who can possess a gun
The college was immediately placed on lockdown as firefighters, police and concerned parents rushed to the site