A body's been found following a suspicious house fire at Raymond Terrace.
Emergency services rushed to Rosemount Drive about 12:30am, after reports of an explosion and fire.
Firefighters discovered the body after extinguishing the blaze.
The body is yet to be formally identified.
Less than an hour later, a Nissan X-Trail collided with a truck on the Pacific Highway about five kilometres north of Bulahdelah.
The Nissan driver, a man aged in his 60's, was taken to John Hunter Hospital under police guard suffering serious injuries.
The truck driver wasn't injured.
Police are investigating whether the house fire and car crash are linked.