No arrests have been made after armed police were called to the headquarters of Ipswich Borough Council following reports of a man making threats.

East Anglian Daily Times: Armed police have been seen outside Grafton House Picture: ALEX EMMAArmed police have been seen outside Grafton House Picture: ALEX EMMA (Image: ALEX EMMA)

Five police cars were parked outside Grafton House while armed police stood at the doors and perimeter of the building.

A dog unit was also seen at the scene in Russell Road.

An officer at the scene was heard telling one member of staff the building was now 'on lockdown'.

A spokesman for Ipswich Borough Council confirmed there was an ongoing police incident and that staff were following instructions from officers.

East Anglian Daily Times: Armed police have been called to the headquarters of Ipswich Borough Council, five police cars have been spotted outside with armed police at the doors Picture: ARCHANTArmed police have been called to the headquarters of Ipswich Borough Council, five police cars have been spotted outside with armed police at the doors Picture: ARCHANT (Image: Archant)

A police spokesman said: 'Police were called to the Russell Road area of Ipswich at about 2.40pm this afternoon to reports of a male making threats.

'Officers swiftly attended the location in the interests of public safety and conducted a thorough search of the area but no threat or suspect was found. Officers have resumed routine duties and further enquiries will be conducted into the circumstances.'

No arrests were made.

East Anglian Daily Times: Armed police have been called to the headquarters of Ipswich Borough Council, five police cars have been spotted outside with armed police at the doors Picture: ARCHANTArmed police have been called to the headquarters of Ipswich Borough Council, five police cars have been spotted outside with armed police at the doors Picture: ARCHANT (Image: Archant)

East Anglian Daily Times: Armed police have been called to the headquarters of Ipswich Borough Council, five police cars have been spotted outside with armed police at the doors Picture: ARCHANTArmed police have been called to the headquarters of Ipswich Borough Council, five police cars have been spotted outside with armed police at the doors Picture: ARCHANT (Image: Archant)

East Anglian Daily Times: Armed police have been called to the headquarters of Ipswich Borough Council, five police cars have been spotted outside with armed police at the doors Picture: ARCHANTArmed police have been called to the headquarters of Ipswich Borough Council, five police cars have been spotted outside with armed police at the doors Picture: ARCHANT (Image: Archant)