Norwich City can confirm midfielder Louis Thompson has suffered a significant injury setback.
The 22-year-old had been working towards a return to full fitness following a serious Achilles injury, but has regrettably suffered a similar problem during his rehabilitation process.
Following a successful operation, Thompson will remain sidelined for at least six months.
Sporting Director Stuart Webber told canaries.co.uk: "Everyone at Norwich City is bitterly disappointed for Louis following this news.
"It is expected Louis will be unavailable for a substantial period, if not the entirety, of this season. However, we will be working with him to ensure he is able to return to fitness at the earliest opportunity."