Question: What kind of pilgrims gathered at the protest against Saifuddin Kitchlew's arrest
Sentence (from "Jallianwala Bagh massacre"): The Jallianwala Bagh massacre, also known as the Amritsar massacre, took place on 13 April, 1919 when a crowd of non-violent protesters, along with Baishakhi pilgrims, who had gathered in Jallianwala Bagh, Amritsar, Punjab, were fired upon by troops of the British Indian Army under the command of Colonel Reginald Dyer.
Relevant evidence: Yes