<div style="color: #222222; font-family: arial, sans-serif; font-size: 12.8px;">''<h3 class="m_3799630000878079474gmail-r" style="font-size: 18px; margin: 0px; padding: 0px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;">In Papua New Guinea, at least 18 people have been killed by a magnitude 6.7 quake that struck mountainous Southern Highlands early today. An official said the death toll from a larger quake nine days ago.&nbsp;</h3></div>''<div style="color: #222222; font-family: arial, sans-serif; font-size: 12.8px;"><br />''</div>''<div style="color: #222222; font-family: arial, sans-serif; font-size: 12.8px;">The earthquake, which struck shortly after midnight local time, was the most severe aftershock in an area badly damaged by a magnitude 7.5 quake that flattened villages and caused landslides. killing at least 55 people.&nbsp;</div>''<div style="color: #222222; font-family: arial, sans-serif; font-size: 12.8px;"><br />''</div>''<div style="color: #222222; font-family: arial, sans-serif; font-size: 12.8px;">The first casualty assessment comes as authorities and aid workers struggle to reach the rugged highlands area to assess the extent of the damage of the first earthquake on Feb. 26 and deliver aid to stricken locals.</div>''<div style="color: #222222; font-family: arial, sans-serif; font-size: 12.8px;"></div>''<div style="color: #222222; font-family: arial, sans-serif; font-size: 12.8px;">William Bando, Hela Province administrator said landslides, blocked roads, cracked airstrips and damaged telecommunication links have hampered efforts by authorities to assess the death toll and deliver supplies to the more than 150,000 people that agencies estimate is in need of aid.</div>