The 500 pound World War Two device was picked up during dredging work.
Dorset: Two Die Following A37 Crash
The collision happened at around 10.16pm on Friday 8 May 2015, on the A37 near Dorchester on Break Heart Hill Closing The Road for Seven Hours.
Dorset Police say Two vehicles were involved in a head-on collision involving a blue Volkswagen Transporter van being driven by a man from Poole and a black Volkswagen Golf being driven by a man from Devon.
Two people a 25-year-old woman from Bridport and a 45-year-old man from Poole – have died. Their next of kin have been informed and the coroner notified.
Four other people were injured in the collision.
The passenger of the Volkswagen Transporter, a 37-year-old woman from Poole, is described as being in a life threatening condition.
The driver of the Volkswagen Golf, a 28-year-old man from Devon, and two other passengers, a 28-year-old man from the Exeter area and a 26-year-old woman from the Bridport area, have sustained serious life changing injuries.
All four are receiving treatment at hospitals in Yeovil and Dorchester.
A section of the A37 between Hollywell crossroads and Long Ash Lane was closed overnight while collision investigators carried out a thorough examination of the scene. The road was reopened at 5.10am today, Saturday 9 May 2015.
Police Sergeant Joe Pardey, of Dorset Police’s Traffic Unit, said: “I am appealing to anyone who witnessed the collision or saw the manner of driving of either vehicle prior to the incident to please call me urgently on 101.
“All calls will be treated in strict confidence.
“The road was closed while emergency services dealt with the incident allowing officers to establish what happened. I would like to thank motorists for their patience.”
Witnesses and anyone with information should call Dorset Police in confidence on 101 quoting incident number 8:422. Alternatively, call the free and anonymous Crimestoppers line on 0800 555 111
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The 79-year-old man suffered a serious head injury in the Cranmer Road car park in Winton.
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