Samoa 's players serenaded Joost van der Westhuizen with a traditional hymn when they met the former South Africa scrum - half in Brighton .
Samoa 's players serenaded Joost van der Westhuizen is critically ill with motor neurone disease .
Samoa 's players serenaded Joost van der Westhuizen , who is critically ill with motor neurone disease , with a traditional hymn when they met the former South Africa scrum - half in Brighton .