UK troops treated for hearing problems in final tests of Ajax armoured vehicle

The 5.5bn model was classified as fit for army deployment in September but soldiers continue to raise health fears

Soldiers had to be given medical treatment for hearing problems this summer during final testing of the British army's new Ajax armoured vehicle, whose introduction has been delayed for several years amid concerns about deafness.

The model, which costs 5.5bn for 589 vehicles, was nevertheless classified as fit for deployment in September. An investigation concluded there were no systemic issues" - but there remain health concerns among the troops involved.