At least 22 people killed after the bus they were traveling on hit by a passenger train in Punjab province.
In July last year, at least 73 people were killed when a train carriage caught fire.
Sikhs have several shrines of their religious leaders in Pakistan. One, of Sikh founder Guru Nanak, is located in Pakistan’s Kartarpur, bordering India, in Punjab. It was built after he died in the 16th century.
Many Sikh holy sites became part of Pakistan after the British partitioned the subcontinent into India and Pakistan in 1947 following two centuries of colonial rule.
Ties between the hostile neighboring countries deteriorated sharply after India revoked the disputed Kashmir region’s semi-autonomous status in early August.