Several casualties reported as video shows massive fireball engulfing building in Burj al-Shemali refugee camp near Tyre; apparent arms dump said to have been in mosque

Authorities believe 32-year-old Emad Al Swealmeen built device; reports say he had converted to Christianity and previously been arrested with large knife after failed asylum bid

4 'associates' of dead passenger arrested in connection to incident; mayor says cab driver 'heroically' locked vehicle's doors, preventing 'awful disaster' at nearby hospital

Another person injured in explosion; armed police raid residential address in Liverpool, as probe opened under Terrorism Act

Taliban says children among the dead; dozens more reported wounded in 2 blasts, including 3 US troops; incident comes after terror warnings and amid mass evacuation efforts

Authorities say blaze was doused within 40 minutes and that there were no casualties, with all 14 crew evacuated in time; police say excessive heat might have been factor

Tremors felt across UAE commercial hub from blast, which sends fireball into the sky; no immediate reports of casualties or extent of damage

Incident latest in series of mysterious blasts and malfunctions in Iran, many of which Islamic Republic has blamed on Israel

Authorities in southern city of Asaluyehin say oxygen pipeline exploded; no immediate word on cause

Government-owned Tomer defense contractor, which manufactures missile motors, says images of explosion are misleading, trial was planned in advance