"I am scared for my friends. Some are still inside and we have been calling but can't get hold of them," Ibrahim said.
He said his friends who were at the other mosque in Linwood had called him saying the shooting occurred there at the same time.
"I have friends at both Islamic centres - it's terrifying and I don't know what to do."
He said it was completely unexpected.
"You think New Zealand is the safest place in the world, it's just really unexpected."
Sophie Nears, 19, told the Herald her friend had called her screaming that he had been shot in the leg and he was hysterical - she did not know if her friend was alive.
"He just hung up and I haven't been able to get back in contact with him.
"I've never heard him cry before. He was screaming that heaps of people were dead and then the line just cut out."