Cambridgeshire police are making inquiries after BNP leader Nick Griffin tweeted the home address of a gay couple who won a court case against discriminatory bed and breakfast owners.

Couple Michael Black and John Morgan from Huntingdon, Cambridgeshire, won a landmark court ruling on Thursday after being turned away from a B&B in March 2010.

That evening, the British National Party leader tweeted from twitter handle @nickgriffinmep: "So Messrs Black & Morgan, at [their address]. A British Justice team will come up to Huntington & give you a...

"...bit of drama by way of reminding you that an English couple's home is their castle. Say No to heterophobia!"

An earlier tweet suggested that a demonstration should be held outside the couple’s home to support the rights of people “to rent or not rent rooms to whomsoever they wish".

An officer for anti-prejudice group Hope not Hate, David Braniff-Herbert, said in an email to supporters that he was “angry”, and is calling for signatures on a letter to Cambridgeshire police.

The Cambridgeshire police said in a statement: "We have received a number of calls in relation to these tweets and are looking into the complaints we have received.

"Officers will be visiting the men mentioned in the tweet as part of our enquiries."