Complex sentence: On 22 February, the king released a number of "political prisoners" including 25 Shia activists arrested during 2010 crackdown on accusation of forming a "terrorist network" aiming to overthrow the government.
Split into simpler sentences: On 22 February, the king released a number of "political prisoners" including 25 Shia activists arrested during 2010 crackdown. They were accused of forming a "terrorist network" aiming to overthrow the government.