The death toll in Friday's terror attacks at two mosques in Christchurch rose to 50 with victims ranging in age from two years to over 60 years, New Zealand Police Commissioner Mike Bush said on Sunday.He informed that 50 people were wounded in the twin attacks.Giving out details of those injured, Bush said that 36 of them are undergoing treatment at Christchurch Hospital and three persons, including a child, remain critical at Auckland's Starship Hospital, New Zealand Herald reported.The country's police chief also confirmed that Brenton Harrison Tarrant, the 28-year-old Australian-born suspect was the sole attacker who carried out the Friday's attacks at Linwood Mosque and Al Noor Mosque in Christchurch.Two other persons, a man and woman, who were arrested after the attacks were not linked to the attacker. While the woman was let off without any charges, the man was charged with firearm offences.Lauding the police officers for stopping a rampaging Tarrant, Bush said the suspect was .