A popular park in the centre of Christchurch city has been cordoned off by police this morning after reports of an early morning assault.

Police tape has blocked off a large section of Victoria Square in the CBD.

A scene guard is in place.

A police spokesperson said they are making inquiries after reports of an assault at around 1.30am.

St John says it has no record of an incident at Victoria Square.

Police are investigating after reports of an assault in Christchurch city centre. Photo / George Heard

More to come