By Ali Murat Alhas</p> <p>ANKARA (AA) – Turkish president on Saturday joined the “Hello Brother” social media campaign, which refers to the final words of the first victim in New Zealand mosque attacks. </p> <p>Terror victim Haji Daoud Nabi, 71-year-old Afghan national, said "Hello Brother" to the gunman — who massacred dozens of innocent Muslims in al-Noor Mosque — moments before being shot dead at the entrance of the mosque. </p> <p>President Recep Tayyip Erdogan shared a video on his Twitter account with #HelloBrother and greeted Nabi, who became a symbol of innocence on social media. </p> <p>Erdogan also retweeted videos shared by prominent Turkish football teams and the country’s English-langue broadcaster TRT WORLD to support the campaign. </p> <p>At least 50 Muslims were killed and as many injured on March 15 when a terrorist — identified as Australian-born Brenton Tarrant, 28 — entered the Al Noor and Linwood mosques in Christchurch and shot worshippers in cold blood, including four children younger than 18. </p> <p>The terror suspect has been charged for the massacre and is being held at a maximum-security prison in Auckland.