the largest blast was in nasiriyah but baghdad also came under attack. a sharp rise of sectarian violence take place -- takes place in a political crisis. >> the attacks struck shiite areas in iraq and baghdad -- in southern iraq and baghdad. cars and roadside bombs were used. the targets were all civilians. the deadliest explosions hit a group of pilgrims who were passing through a police checkpoint near the southern city of nasiriyah. although there was no immediate claim of responsibility, programs and the police had been secretly targeted by al qaeda in iraq, a sunni extremist group. a shiite neighborhood in baghdad came under attack. there has been a surge since the violence -- since the departure of the u.s. troops. a wave of attacks struck different areas in baghdad killing and injuring dozens. although al qaeda in iraq say they carried out the attack, the parties have been exchanging accusations over who they say is to blame. >> we have obtained an exclusive report from inside of syria. >> before i bring you that report, the head of the syrian ar

but the day's deadliest attacks happened to the south in nasiriyah.least 36 people were killed. >>> on the political front, the rick santorum presidential campaign got a very big boost from its near victory in the iowa caucuses. santorum's campaign said it took in, are you ready for this? more than $1 million in the 24 hours after the iowa voting. santorum, you know, lost iowa to mitt romney by only eight, count them, eight votes. >>> and an american teen's family is fighting to get her back after she was deported to south america. she ran away from her dallas home in the fall of 2010. her family now shocked to learn the 15-year-old is now in colombia and supposedly pregnant. immigration authorities say turner was arrested without i.d. in houston. she gave them this fake name that belonged to a colombian woman who was in the country illegally. her family meantime says, yeah, they should have dug a little deeper. >> i don't understand how it could happen. someone made a goof. and i think it was someone that goofed up. >>> also, police in orange county

but the day's deadliest attack happened to the south in nasiriyah. least 36 people were killed there. >>> inmates armed with makeshift weapons riot in this prison. this is northern mexico. 31 prisoners in all were killed in this vicious fight broke you'd after one group of inmates broke a ban on entering another area of the prison. more than a dozen other prisoners were injured in the brawl. prison is in alta mira about 300 miles south of texas. >>> and police shot and killed an eighth grader after allegedly waved this weapon in brownsville, texas, in his middle school. but it turns out, he was waving a pellet gun. police say it looked so real, they believed 15-year-old jaime gonzalez was a clear threat. so they shot him. then rushed him to the hospital where he was later pronounced dead. >>> a soldier who spoke up during republican presidential candidate ron paul's campaign rallies in iowa might be in a bit of trouble now. >> if there is anyone out there that has had a vision for the country it is definitely him. >> we have now learned that army cor

. >> following the latest option by iran and nasiriyah has said things coming out against pressure against the regime has the white house had conversations with their allies about increasing the pressure that they are putting on the two governments -- >> i'm sorry, iran and -- >> iran and syria both and maybe giving it more aggressive in the purpose? >> the answer is of absolutely we have been working quite aggressively with the international community with our partners and allies around the world to put pressure on syria and isolate iran and in both cases and obviously with regards to iran this is an ongoing effort. we have effectively isolated iran to a degree that has never before been the case. the impact of the sanctions that we have implemented is profound as every reporter out there has recognized and we will continue to work with our allies to do that to get iran to believe to live up to its obligations and in the case of syria to pressure the president to cease the violence against his own people and to set aside so that the syrian people can have their space transition the they d