Iraqi major says attacks show how insurgents are resorting to new methods . Police : No one has been killed in the attack, but a police officer was wounded and is being treated at an area hospital for his injuries. A high-ranking Samarra police official said the disabled man came to meet with Brig . Three people are killed , 15 injured in roadside attack in southeastern Baghdad . Pilgrims on way to Karbala for al-Arbaeen , one of holiest days on Shiite calendar .
Iraqi major says attacks show how insurgents are resorting to new methods . Police : No one has been killed in the attack, but a police officer was wounded and is being treated at an area hospital for his injuries. Three people are killed , 15 injured in roadside attack in southeastern Baghdad . Pilgrims on way to Karbala for al-Arbaeen , one of holiest days on Shiite calendar .