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A suicide bombing at a police headquarters in the Indonesian city of Surabaya on Monday was carried out by a family of five riding on two motorbikes, police say. It came after another family carried out bomb attacks on three churches on Sunday, in an attack claimed by the Islamic State (IS) group. An eight-year-old girl from the family survived the latest attack, police say. Indonesia is the world's most populous Muslim-majority country. The archipelago, home to 260 million people, has seen a resurgence of Islamist militancy in recent months, and the attacks in Surabaya have raised concerns about the potency of jihadist networks. Video footage of the latest attack on the police headquarters shows two motorbikes approaching a checkpoint just before the blast. Six civilians and four police officers were injured, authorities said.

The eruption of Mount Merapi that occurred on Friday (11/05/2018) morning accompanied by a roar with medium to strong pressure and height of 5,500 meters from the top of the crater. This was conveyed by the Head of Data Center of Information and Public Relation of National Disaster Management Agency, Sutopo Purwo Nugroho, Friday. Sutopo explained, Mount Merapi located in Klaten, Megelang, Boyolali and Sleman was erupting volcanic ash, sand and pyroclastic material. "The eruption took place suddenly.The type of eruption is a phreatic eruption that occurs due to a boost of water vapor pressure that occurs due to contact of water masses with heat under the crater of Mount Merapi," Sutopo said through the release. He made sure, this type of eruption is harmless and can happen anytime on an active volcano. Usually the eruption only lasts for a moment. Mount Merapi had previously been a phreatic eruption. "The status of Mount Merapi to date is still normal (level I) with dangerous radius is 3 kilometers from the top of the crater PVMBG does not increase the status of Mount Merapi and still keep monitoring the development of volcanic activity," he said. This article has been published on Kompas.com with the title "Mount Merapi erupts as high as 5,500 meters with a rumbling sound"