Sport | More Irish pain as Doak, Hefferman added to injury-hit squad in South Africa
![Sport | More Irish pain as Doak, Hefferman added to injury-hit squad in South Africa](https://cdn.24.co.za/files/Cms/General/d/11992/7b059a72a03c4b36b3aeacd8107ef9e5.jpg)
Scrum-half Nathan Doak and hooker Dave Heffernan have joined an injury-hit Ireland squad ahead of the second Test against South Africa, the national rugby union confirmed on Tuesday.