Attack brings this year's record death toll in Arab community to 159; police estimates indicate just over a third of victims are part of criminal outfits

Police say deadly shooting likely part of running dispute between crime families that has claimed several other lives

A mother whose daughter was gunned down before her eyes, a woman who has had seven relatives slain are among participants at emotional meeting

Fatalities, 71 and 61, arrive at local clinic in critical condition after being shot while sitting in a car