HILLA, Iraq (CNN) -- Insurgents stepped up attacks on Shiite pilgrims heading to the holy city of Karbala on Tuesday, with a series of bombings and small arms attacks that left more than 120 people dead and more than 200 wounded.
In the deadliest attack, suicide bombers targeted Shiite pilgrims in Hilla, killing 93 people and wounding 147 others, police said.
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