A man has been put into an induced coma after what is believed to be a stabbing incident in the early hours of Sunday morning.
Emergency services rushed to Lansdowne Street in Portsmouth just after 7am this morning and residents described seeing ambulances and armed police with tasers.
It is believed that a group of people were at the property when an altercation occurred between four men which then spilled out onto the street.
Police have yet to confirm on record the nature of the offence but residents have described a large police presence and a number of areas cordoned off by police tape. Scene of crime officers and search teams have spent the morning checking drains and talking to residents in the street. Police officers and PCSOs stand guard at both ends of the road.
One resident who did not wished to be named said they awoke to see police, ambulance and paramedics working on a person with the ambulance in the road for about an hour. They went on to say that there was a lot of blood left in the street. Scenes of crime officers and police search dogs have been in the road since screaming and shouting was heard just after 7am. Many have described the incident as being 'awful'.
A 30-year-old man and a 26-year-old man have been arrested as searching in the street continues. A lot of Police activity remains at the property.
A spokesperson from South Central Ambulance confirmed that two ambulances were sent to the scene following a call at 7.09am.
Police are now appealing for witnesses to come forward. Anyone with information about the attack is asked to call 101 and quoting 44160371917.