Conversation so far:
what were the protests involving jarnail singh bhindranwale?
On 13 April 1978, a group of Amritdhari Sikhs of Akhand Kirtani Jatha went to protest against Nirankaris.
The resulting violence led to the death of thirteen Sikhs.

Question: what else happened due to the violence?
Self-contained rewrite: what else happened besides the death of thirteen Sikhs due to the violence occurring in the protests against Nirankaris?