In Iraq, more than 40 people have been killed and more than 200 others wounded in a series of bombing attacks. +++LM-REIN+++ The deadliest took place in the Shi'ite holy city of Karbala, southwest of Baghdad. A total of 13 people were killed, and nearly 50 wounded. +++LMRAUS++++ The new round of violence raises serious questions about the ability of Iraqi security forces to prevent insurgent attacks.