Several groups have invited New Zealanders to wear headscarves to show support to the grieving Muslim community on Friday, one week on from the devastating attack on two Christchurch mosques.

Kirk Hargreaves took an incredible image of the Prime Minister visiting members of the Muslim community. Source: Kirk Hargreaves / Supplied

A number of events have been planned by separate groups.

The Islamic Women's Council have told the organiser of the Scarves in Solidarity event, Raewyn Rasch, that it is an "amazing idea".

Ms Rasch said the event is open to everyone in New Zealand and is a "symbolic gesture".

Headscarf for Harmony is another event planned for Friday, inviting Kiwis to wear a headscarf or head covering at "work, school or play".

Another event, called Wear a Headscarf Friday, is aimed at women in the Christchurch region and had been supported by the New Zealand Muslim Association. Thousands have expressed interest in the events on Facebook.

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The show of solidarity comes as Prime Minister Jacinda Ardern has called for two minutes of silence on Friday and mosques around Auckland have pledged to open their doors to people of all faiths that evening.