Turkish authorities Tuesday arrested a suspect in last month’s Istanbul bomb blasts after 12 bags of a substance used for making explosives were found at his home. The Anatolian state news agency said the man, named as Mehmet Kus, was charged with “aiding and abetting an illegal organization” — an apparent reference to the shadowy Turkish Islamist group believed to have carried out the attacks. It said Kus had blamed a relative for storing the potassium nitrate, a substance used in the Istanbul blasts, in his house. Sixty one people were killed and many hundreds wounded in twin attacks on two Jewish synagogues by suicide truck bombers on November 15 and in similarly synchronized attacks on British targets on November 20. Full Story