By ajee@thekmgroup.co.uk (Alex Jee) A heavy emergency services presence has descended on Bluewater. Police, fire and ambulance vehicles have been spotted at the Greenhithe shopping centre. Officers have blocked off a road amid the ongoing incident. Around four ambulance vehicles have been sighted at the scene, with three parked at the bus station. At least one more has been spotted on a section of road that has been closed off, alongside four police vehicles. A fire engine is also in attendance. There are a number of unconfirmed rumours circulating about the incdient nature of the incident is …