Summer Robertson , Four months , drowned after being overcome by strong waves . She had been completing a 10-week volunteering course in South Africa . 21 on , her parents Sarah and John have paid tribute to her . They say they take great comfort knowing she died doing something she loved .
Summer Robertson , 21 , drowned after being overcome by strong waves . She had been completing a 10-week volunteering course in South Africa . Four months on , her parents Sarah and John have paid tribute to her . They say they take great comfort knowing she died doing something she loved .