NEW : U.S. Rep. Nancy Pelosi is in Libya to lead a congressional delegation . Al-Senussi was detained at the airport along with a younger man believed to be his son , said Libyan interim government spokesman Nasser al-Manee . Al-Senussi was arrested at an airport in Mauritania on Friday , Libyan authorities said . He was the intelligence chief for Libya 's Moammar Gadhafi . TL;DR NEW
NEW : U.S. Rep. Nancy Pelosi is in Libya to lead a congressional delegation . Al-Senussi was arrested at an airport in Mauritania on Friday , Libyan authorities said . He was the intelligence chief for Libya 's Moammar Gadhafi . TL;DR NEW