Mr Young-Sam, an IT analyst at Birmingham City Council, died from a single stab wound to the chest. One of his friends was also stabbed in the back.
Police said he was an innocent victim and not involved in the rioting.
On Sunday night further disturbances took place in Lozells, where a heavy police presence was in place.
Hours later police were called to Melbourne Avenue in Newtown, in response to reports that a man had been seen with a firearm in the area.
There they found the body of a man who had been shot.
'Ghost town'
Birmingham Chamber of Commerce said on Tuesday it is concerned that the violence would have a knock-on effect on people thinking about setting up in business in the area.
Spokesman John Lamb said: "No one is going there shopping. It has become a ghost town."
But Bishop Joe Aldred from the Council of Black-Led Churches said people who had worked to restore calm in the area should be complimented.
"Things have calmed down but we must not move away from the underlying issues," he said.
The situation was more complicated than just issues between Asian and black populations, he said.
"It is deeper than that. Both communities mostly live on the outskirts of the city centre; a city centre which has had much money poured into it.
"The communities have issues of alienation and deprivation and that they are not part of the mainstream process."
