The helicopter from a Chinese icebreaker has arrived to help evacuate passengers and crew from the stranded Akademik Shokalskiy ship.
Professor Chris Turney posted footage of the helicopter arriving on the group's YouTube account.
More top news
Paul Kohler, who was set on by four Polish men, said the attack was a thuggery issue, not an immigration problem.
Cricket stars, celebrities and fans have joined a social media campaign paying tribute to Phil Hughes by leaving their cricket bats out.
Eight out of 10 asthma sufferers are not getting enough clinical care, a leading health charity has found.