UPDATE: A MAN has been killed in a log truck crash in the state's North.
Police said they were called to the crash about 1pm at Cuckoo Hill Rd, south of Ringarooma.
They said Worksafe Tasmania and Transport Inspectors were also called to the scene.
A report will be prepared for the Coroner.
EARLIER: A MAN has been been badly hurt in a log truck crash in northern Tasmania.
In a short statement issued about 1.30pm today, police said the Westpac Rescue helicopter was responding to the crash on Cuckoo Hill Rd, south of Ringarooma.
The male driver was reportedly in a serious condition, with no further details available.
The accident follows a separate crash on Don Rd, Devonport, in the early hours of this morning which landed a 15-year-old boy in hospital in a serious but stable condition.
Police said a 17-year-old boy had been charged with motor vehicle stealing, negligent driving and unlicensed driving over the incident. He was due to face court later today.
Detective Sergeant Matt Rolls said investigating officers would like to speak with anyone who saw a grey Kia Rio or a brown Mazda 323 driving in the Don Rd area about 2am today.
Anyone with information is urged to call Devonport Police on 6478 4011 or CrimeStoppers on 1800 333 000.