Police have arrested three people after carrying out warrants under the Theft Act in Queen Street, Maidenhead.
Officers are still at the scene.
Police have confirmed the investigation is being led by Sgt Howard Rose from the Maidenhead Central Neighbourhood Team in conjunction with the Royal Borough.
Three men have been arrested; two on suspicion of handling stolen goods and one on suspicion of handling stolen goods and possession of a Class B drug.
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The crash, which took place at about 7am today (Thursday), involved three vehicles. One man sadly died as a result of the collision and his next of kin have been informed.