( CNN ) -- A bomb exploded near a passing bus in the southwestern Pakistan city of Quetta on Friday afternoon , killing 10 people and injuring 35 others , police said . The bomb was planted on a bicycle in the city 's Science College area , said Muhammad Jaffar , deputy inspector general of Quetta police . The blast hit a passenger bus , which caught fire , he said . Most of the people on the bus were either killed or injured , police said . The force of the blast broke the glass of windows of nearby shops . It was n't immediately clear whether all of the victims had been on the bus , or who was responsible for the bombing .
Bomb planted on bicycle explodes , hitting passenger bus , police say . Score: 6