Edited sentence: Although train routes had to be kept confidential by late September, a trainload of Muslim refugees was attacked at the Amritsar railway station on 22 September 1947 by a jatha of about 10,000 people resulting in the deaths of between 1,500 and 3,000 Muslim refugees.Amritsar HRIDAY city.Amritsar was greatly affected by communal violence during partition, with almost all of its Muslim population fleeing to Pakistan, with similar violence in West Punjab against Sikhs and Hindus.Before Partition, Amritsar was about 49% Muslim, but in the 1951 census, had a Muslim population of only 0.52%.By September 1947, violence had become widespread, and Muslim refugees fleeing East Punjab for Pakistan were fearful of entering Amritsar city because of Sikh jathas.Caravans of refugees were attacked repeatedly around Amritsar, including a group of 50,000 refugees from Jalandhar that were attacked 3 times near Amritsar in September.In August 1947, Muslim villages around Amritsar came under attack.Large numbers of Sikh and Hindu refugees fleeing Pakistan settled in Amritsar city to replace the Muslim population, though the city's population had dropped by 17% between the period prior to Partition until 1951.News of the attack reached the city of Gujranwala, where Muslim rioters attacked a train of Hindu and Sikh refugees in revenge on 25 September, killing 340.Official Website of Amritsar Municipal Corporation.Official Website of District of Amritsar.Similar attacks occurred against trains carrying Sikh and Hindu refugees in Lahore.The first riots occurred in March 1947.Trains carrying Muslim refugees, called "Pakistan Specials" were attacked, sometimes repeatedly, in and around Amritsar