JOHANNESBURG—The coastal city of Beira in Mozambique, which houses one of the country’s most important ports, has seen mild damage to property and flooding after tropical cyclone Eloise made landfall early on Saturday, an official said in a television report. The cyclone has since lost its strength and has been downgraded to a tropical storm, according to the World Meteorological Organization (WMO). “Beira had mild damage, but is too early to quantify the extent and scale of destruction,” Luisa Meque, president of Mozambique’s National Institute for Disaster Risk Management and Reduction (INGD), said in a television interview with national broadcaster TVM. The South African weather department said Eloise made landfall around 2:30 a.m. with wind speeds of 160 kilometers per hour (99 mph). Cars were submerged in water, walls of some low lying buildings collapsed, and swathes of land were flooded in Beira, posts on Twitter showed. Beira was the …