Despite overwhelming public support, the issue of same-sex marriages has faced a political deadlock, with the Australian high court stepping in recently to give a go-ahead for the vote.
China claims most of the energy-rich sea where neighbours Brunei, Malaysia, the Philippines, Taiwan and Vietnam also have claims.
Canberra pledged to take an unspecified number of Central American refugees under a deal struck with former US president Barack Obama late last year.
James Clapper said that the alleged ties between Trump and Russia present a situation more serious than the most famous political scandal in the US.
A spokesman for New South Wales police declined to make immediate comment but suggested that police would hold a new conference later in the day.
The US said that the agreement to offer refuge to up to 1,250 asylum seekers in the centres would progress only if refugees satisfied strict checks.
Turnbull has seen his poll numbers slide to their lowest levels since he assumed the leadership in September 2015, and his future as the prime minister has been questioned by political commentators as public confidence in the country’s fourth leader in the last six years erodes.
Should Trump veto the deal with Australia, the detainees would be left with the choice of returning to their home countries or remaining in Nauru or Papua New Guinea.
Turnbull will still need the support of independents to pass key legislation, which raises doubts over his government’s long-term functioning.
Scientists said UNESCO may reconsider its decision not to put the World Heritage Site on its endangered list.