Complex sentence: Returned to Libya, after being held and tortured in Abu Salim prison for seven years, in 2010 under a "de-radicalisation" drive championed by Saif al-Islam Gaddafi, the Libyan authorities released him amongst 170 other Libyan Islamists.
Split into simpler sentences: Returned to Libya, he was held and tortured in Abu Salim prison for seven years. In 2010 under a "de-radicalisation" drive championed by Saif al-Islam Gaddafi, the Libyan authorities released him amongst 170 other Libyan Islamists.