Eight people died when a US B-52 bomber crashed and erupted into a catastrophic fire shortly after take-off at an air force base in California on Monday, officials said. The heavy bomber was on a routine testing mission with a mixture of military, government and civilian contractors on board when it came down in a huge fireball at Edwards Air Force Base, 95km (60 miles) north of Los Angeles. Footage of the aftermath of the crash, which officials said was “unsurvivable”, showed a large charred...