Heavy explosion heard in Kabul

Kabul police confirms four rockets were fired into and around Afshar, a residential area, in the north-western part of the city.
The first explosion happened shortly after 1pm local time and the second about 10 minutes later. A third one followed a short while later. 
The 4th rocket landed at 2pm local time. 
Kabul police have confirmed two children and one woman have been wounded so far in the attack. 
Eyewitnesses said the first rocket landed on a house and wounded three people.
The second and third rockets reportedly landed on the slope of a nearby hills. No details have yet been released on where the 4th rocket landed.  
According to police, the rockets have been fired from the Paghman area and the target appears to be the nearby Police Academy.