Waimakariri MP and Government Minister Matt Doocey said he was "pretty disappointed" that a rock was thrown through the back window of his car.
Doocey — who is the Minister for Mental Health and Associate Minister of Health — posted images from the attack on Facebook this morning.
"As the local MP for 11 years now I’ve worked hard to be accessible, respectful of other people’s views and never had this happen."

The MP appealed to anyone with information to contact police. He had reported the incident, including pointing out a nearby CCTV camera.
1News has approached police for comment.

This vandalism follows an incident earlier this month where a window at Foreign Affairs Minister Winston Peters' Auckland home was smashed with a crowbar.
A man has denied a charge of burglary in relation to the incident.
The morning's headlines in 90 seconds, including a massive outage breaks the internet, weather warnings and watched in force, more allegations levelled against Prince Andrew. (Source: 1News)
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