The video has emerged just weeks after four people died in a collision on the same road.
The large piece was fixed with bolts and welded in place - but it didn't stop thieves.
One ambulance, two response teams and a helicopter were sent to the scene.
Four people were killed in the two-vehicle crash last month.
Vince Burke has spent the past 50 years collecting the rocks
"It might be little horses, but the horse and people make up for it in personality."
It brings the Easter road toll to seven.
The triple fatality is raising questions about State Highway 8.
They may sound harmless, but 'nurdles' are highly toxic.
Three people were killed and several injured in the crash.
Three others have serious injuries and a further two have moderate injuries.
It happened during a car show earlier this month.
The discovery of the drug laboratory has been described as "unacceptable" by police.
The person died at the scene.
John Wheeler had tagged his 295 deer, but failed to register them before he moved them off his farm.
Emergency services responded just before 11pm on Friday, police say.
It all started with a couple sitting in a spa pool.
The whale was seen lying on its side on the sand early on Wednesday morning.
Staff are putting on the finishing touches after the business was forced to close five weeks ago.
Rolleston College expects to more than double in size in the near future, yet the Ministry of Education is proposing to cut back on its spending there.
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