An Indian-American professor has said Mainak Sarkar, who was behind the UCLA murder-suicide, left little impression as a student in his class and never used to greet him when they passed each other despite both hailing from West Bengal.
Muhammad Ali's funeral is set to be one of the biggest events in TV history with a worldwide audience of billions expected to watch the boxing legend's final journey.
The Prime Minister will also hold talks with Afghan President Ashraf Ghani on the current situation in the country and the peace process besides other bilateral and regional issues.
Prime Minister Narendra Modi on Saturday assured Indian workers in the Gulf countries all help from the Indian government while advising them to keep working hard though also taking care of their health.
Sarkar, 38, fatally shot engineering professor William Klug, 39, in his office at the UCLA on Wednesday. Klug had refused to give him a passing grade.
There were no immediate reports of injuries and no major property damage, police said.