Opposition leader says Albanese ‘failing to answer basic questions’ as PM claims civilian and military notification happened ‘at around the same time’

• Follow our Australia news live blog for latest updates
• Get our breaking news email, free app or daily news podcast

Anthony Albanese says Australia received civilian and military notifications about Chinese live-fire drills in the Tasman Sea “at around the same time”, despite the chief of the Australian defence force telling Senate estimates the military notification came an hour after the commercial pilot.

The defence chief also revealed Chinese warships south of Hobart appeared likely to sail through the Great Australian Bight, and could be accompanied by an undetected nuclear submarine.

Sign up for Guardian Australia’s breaking news email