The Chairman of the New Patriotic Party (NPP) in the Northern Region,
Naabu, who is seeking reelection is reported to be in a critical condition and has been flown to Accra for proper medical examination.
The outspoken Chairman is said to have been involved in the crash on his way to Tamale from Damango where he met some NPP delegates to campaign.
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Mr. Naabu received first aid treatment at the Tamale Teaching Hospital before he was airlifted to Accra.
The cause of the accident is currently unknown but eyewitnesses at the scene said all they saw was the vehicles involved summersaulting.
The other six occupants in Bugri Naabu's car are also reported to have sustained various degrees of injuries.