Two rival Pakistani student groups have clashed over celebrating Valentine's Day.
Violence erupted at the University of Peshawar when dozens of students from a liberal group rallied in favour of the romantic holiday.
Their rally was taking place at the same location where conservative students had gathered to promote a Modesty Day instead.
Police said both sides threw stones at each other, and some students even fired into the air. Four people were hurt.
Conservatives in Pakistan every year call for people to boycott Valentine's Day, saying it's a Western-inspired event that spreads vulgarity.
But the holiday is still widely celebrated in Pakistan where people buy flowers, pink teddy bears and heart-shaped balloons.