By Fakhar Rehman and Craig Giammona, NBC NewsAn explosion rocked a Shiite section of Pakistan's largest city Sunday, killing at least 38 people and wounding dozens, according to officials and local television reports.
Two-bomb laden vehicles exploded in a residential area of Karachi and local officials believe more victims may be trapped in the rubble.Slideshow: Pakistan: A nation in turmoil (http://slideshow.nbcnews.com/id/34972092/displaymode/1247/?wbSlideShowId=34972092&wbSection=news)(http://msnbcmedia.msn.com/j/MSNBC/Components/Slideshows/_production/ss-pakistan-2013/ss-130227-pakistan-2013-child-tease.380;380;7;70;0.jpg) (http://slideshow.nbcnews.com/id/34972092/displaymode/1247/?wbSlideShowId=34972092&wbSection=news)Mohsin Raza / ReutersImages of daily life, political pursuits, religious rites and deadly violence.Launch slideshowOfficials earlier said at least 25 were dead, while the local television channel put the death toll at 38, citing police sources.
The Associated Press said the blast occurred outside a Shiite Mosque as people were leaving evening prayers.
Azhar Iqbal, a local police official, told the AP that a bomb appeared to have been rigged to a motorcycle and that the damage indicated there could have been additional explosives at the scene. Iqbal said several nearby buildings caught on fire. Published reports have indicated women and children were among the dead.
Iqbal old AP the bomb appeared to have been rigged to a motorcycle, but that the damage indicated there could have been additional explosives at the scene. He said several nearby buildings caught on fire.
Police in Karachi told Reuters a suicide bomber may have been responsible for the attack.
No one has claimed responsibility for the attacks, but Sunni militants linked to al-Qaida and the Taliban have targeted Shiites in the past.
Reuters and The Associated Press contributed to this report.
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