<span style="color: #222222;">Fighting between rival Libyan forces for control of Tripoli has escalated in the past couple of days. </span><br />'' <br />'' <span style="color: #222222;">The death toll rose to at least 220, including combatants and civilians since the self-styled Libyan National Army (LNA) declared a major military offensive to take the capital earlier this month.</span><br />'' <br />'' <span style="color: #222222;"> An LNA spokesman told a news conference in Benghazi that heavy clashes have been underway between LNA forces and rival militias in the towns of Swany and al-Aziziya. </span><br />'' <br />'' <span style="color: #222222;">The spokesman said, militias allied with the UN-supported government launched airstrikes on the Alwatya air base.</span><br />''