KABUL, Afghanistan—A bomb exploded near a girl’s school in a majority Shiite district of west Kabul on Saturday, killing at least 30 people, many of them young pupils between 11 and 15 years old, Afghan government spokesmen said. The Taliban condemned the attack apparently aimed at civilians, and denied any responsibility. The explosion is being investigated, said Interior Ministry spokesman Tariq Arian who added the death toll could rise further. Ambulances were rushing to evacuate wounded from the scene of the blast near Syed Al-Shahda school, in the Shiite majority neighborhood of Dasht-e-Barchi, Interior Ministry spokesman Tariq Arian said. Residents in the area said the explosion was deafening. One, Naser Rahimi, told The Associated Press he heard three separate explosions, although there was no official confirmation of multiple blasts. Rahimi also said he believed that the sheer power of the explosion meant the death toll would almost certainly climb. While …