In this image made from video provided by the Libyan national army via AP Television, vehicles with heavy artillery of the Tripoli joint security forces move closer to the parliament building after troops of Gen. Khalifa Hifter targeted Islamist lawmakers and officials at the parliament in Tripoli, Libya, Sunday, May 18, 2014. Forces loyal to a rogue Libyan general attacked the country’s parliament Sunday, expanding his eastern offensive against Islamists into the heart of the country’s capital. (AP Photo/Libyan national army)