Complex sentence: Some evacuations were successful in either going to Malta or via land borders to Egypt or Tunisia; other attempts were hindered by tarmac damage at Benghazza's airport or refusals of permission to land in Tripoli.
Split into simpler sentences: Some evacuations were successful in either going to Malta or via land borders to Egypt or Tunisia. Other attempts were hindered by tarmac damage in Benghazza and refusals to land in Tripoli.