Definition: Generate an appropriate title for the given text. The generated title must be short and include the main topic of the text. The preferred titles are under fifteen words.
Input: The crash involved a white Ford van and a black Volvo and happened just before 17:30 BST on the A5104, near Treuddyn, Flintshire. Three air ambulances attended the scene, with three people taken to hospital by air and four by road. North Wales Police said those in the road ambulances were taken to Wrexham Maelor and those airlifted were taken to Stoke University Hospital. The force is appealing for any witnesses to come forward. The road has been shut in both directions since about 18:20.

Seven taken to hospital after Treuddyn crash