The family of a woman killed in a tractor accident has revealed she was expecting her third child when she died.
Nadine Tomlinson, 33, was driving a tractor and trailer unit on a farm near Dunback in north Otago when it lost control, slipping into a reservoir on Sunday afternoon.
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Her son, three-year-old Angus Tomlinson, also died in the accident.
Ann Restieaux, Ms Tomlinson's mother, has now told NZME her daughter revealed to her that she was 16 weeks pregnant before the accident.
She said she could recall finding out Ms Tomlinson was missing from her son-in-law.
"It was not looking good, [he] was terribly upset," she said.
Ms Tomlinson's grieving husband Scott Tomlinson said he's only just starting to come to terms with what he lost in the tragedy.
"It's been really tough. We have two boys and another on the way. I have now lost three people," he told NZME.
On Monday the local mayor told Newshub the community was rocked by the deaths.
"It's an absolutely tragedy - the community is absolutely gutted. I'm really feeling for the family involved," Waitaki Mayor Gary Kircher told Newshub.
Federated Farmers president Katie Milne called the accident a "heart-wrenching tragedy". She said it was an "extremely uncommon" incident.
Mr Tomlinson can recall the moment he realised where the tractor had gone after discovering skid marks.
"Words can't actually describe that actual minute of realising what had happened - I knew the tractor was in the water, they were trapped in the cab."