Mr Lunn was speaking after comments made by Gregory Campbell at the DUP’s annual conference, following which the MP for East Londonderry has received a death threat.
Trevor Lunn MLA said: “I was not surprised that the DUP chose to repeat their insults of the Irish language at their party conference on Saturday. They have claimed it was merely slapstick humour but we all know it is a clear indication of their intolerance.
“It is hypocritical for the DUP to claim to be respectful and tolerant when one of their senior politicians uses such language and then their party leader indicates his support for these remarks. They ask for respect for their culture, yet they can’t do the same for others. I know there is very little chance of an apology but I still believe one should be made by the DUP.
“Politicians are perfectly entitled to voice their opposition to certain policies, but it is not acceptable to be so offensive or use such inappropriate behaviour.
“We must move away from a culture of ‘us and them’ and build a shared society in which everybody’s beliefs and culture are respected, an ambition notionally supported by the DUP. If they want respect they must realise it’s a two way street.
“Whilst I don’t agree with the comments made, we do live in a democratic society where politicians from any Party should be free to make their views heard without the fear of intimidation and threats. I condemn those behind the death threats made against Gregory Campbell and urge anyone with information to contact the PSNI as soon as possible.”