Saudi Arabia executed 47 people on Saturday for terrorism, including the prominent Shia Muslim cleric Nimr al-Nimr, Interior Ministry said in a statement. Most of those executed were involved in a series of attacks carried out by al Qaeda from 2003-06, it said. Shia Iran has warned that executing Nimr "would cost Saudi Arabia dearly". http://english.ahram.org.eg/News/179909.aspx