Local officials in Nanjing said the virus had not been detected at its poultry markets, suggesting the trading ban is a precaution.

BBC: China closes Nanjing market over H7N9 bird flu

He thinks that if the left hip had been tested then and the injury detected, he would not have been judged so harshly in October.

NPR: Alex Rodriguez Calls Return 'A Great Challenge'

Military spokeswoman Lt Col Avital Leibovich said the drone, which flew over the Gaza Strip but did not originate from there, had been detected by Israeli ground systems.

BBC: Israel downs unmanned aircraft

New Zealand's Civil Aviation Authority warned that the ash was expected to be detected at the cruising level of aircraft but had not yet been seen below 20, 000ft.

BBC: Chile volcano: Qantas cancels Melbourne flights