NEW : Police tighten security after violence Thursday and Friday . Militants sprayed bullets at cars before Thursday prayers on Eid , killing 30 people . The attack was followed by intense return fire that lasted for half an hour . The others were civilians . A bomb at a funeral Friday killed 10 people .
NEW : Police tighten security after violence Thursday and Friday . Militants sprayed bullets at cars before Thursday prayers on Eid , killing 30 people . The attack was followed by intense return fire that lasted for half an hour . A bomb at a funeral Friday killed 10 people .