Los Angeles, United States (AFP) by Huw GRIFFITH The world’s largest active volcano burst into life for the first time in 40 years, spewing lava and hot ash Monday in a spectacular display of nature’s fury by Mauna Loa in Hawaii. Rivers of molten rock could be seen high up on the volcano, venting huge clouds of steam and smoke at the summit on Big Island, and sparking warnings the situation could change rapidly. […]