HOLY CITY OF KARBALA, Iraq: Terror attacks against Husseini mourners going to the holy city of Karbala for Arbaeen Al-Husseini commemoration were in continuation. Arbaeen which comes every year on Safar 20 falls this year on February 16 Monday.

Some of the deadliest attacks on pilgrims in Iraq since the 2003 U.S.-led invasion:

• Feb. 13, 2009: A female bomber attacks a tent in Iskandiriya, south of Baghdad, filled with women and children resting during Arbaeen pilgrimage to Karbala, leaving more than 40 people martyred and wounding 82 others.

• Feb. 12, 2009: A suicide bomber detonates an explosive belt packed with nails among Arbaeen mourners in Karbala near the revered Imam Hussein shrine, martyring eight mourners and wounding more than 50.

• Feb. 11, 2009: At least 12 people are martyred and more than 40 wounded in bombings in Baghdad targeting Arbaeen mourners traveling to Karbala.

• Jan. 4, 2009: A suicide bomber dressed in women's clothing and hiding among Iranian pilgrims martyrs more than three dozen people and wounds at least 72 outside Kazimiyah shrine. It remains unclear whether the bomber was in fact a woman.

• Aug. 14, 2008: A bomber strikes pilgrims in Iskandariyah, 30 miles south of the capital, leaving at least 18 people martyred and wounding 75.

• July 28, 2008: Female suicide bombers attack a pilgrimage in Baghdad and a Kurdish protest rally in northern Iraq, martyring at least 57 people and wounding nearly 300.

• March 17, 2008: A bomber attacks a group of worshippers near Husseini shrine in Karbala, martyring at least 49 people and wounding 73.

• Feb. 24, 2008: A man wearing a suicide vest martyrs 56 when he triggers the device in a crowd of travelers enjoying refreshments in a tent near Iskandariyah, 30 miles south of Baghdad. At least 68 people are injured.

• March 6, 2007: Two suicide bombers blow themselves up in Hillah, about 60 miles south of Baghdad, martyring 120 people in a crowd of pilgrims.

• July 6, 2006: A suicide car bombing martyrs 12 people, mostly Iranian pilgrims, at Kufa mosque.

• Aug. 31, 2005: At least 1,000 pilgrims were martyred in a bridge stampede caused when somebody claimed there was a suicide bomber in their midst on the occasion of martyrdom anniversary of Al-Imam Al-Kadhim (AS) in Kadhemiyah.

• March 2, 2004: A suicide bomber martyrs at least 85 people at the Imam Hussein shrine in Karbala.