Middlesex sign 17-year-old Afghanistan spinner Mujeeb Ur Rahman for the entirety of the 2019 Twenty20 Blast campaign.
Paul Stirling will lead Ireland in T20 games in the upcoming Oman and Afghanistan series in the absence of Gary Wilson.
Stephen Eskinazi, Nick Gubbins, Tom Helm and Max Holden sign new long-term contracts with Middlesex.
Bowler Ethan Bamber, spinner Nathan Sowter and wicketkeeper Robbie White sign new long-term contracts with Middlesex.
Audio & Video
Rob Franks had been playing for Hampshire when doctors noticed a tumour on his left knee.
Analysis and opinion from the BBC's cricket correspondent.
How to follow cricket on the BBC
BBC Sport brings you live radio commentary from England's Test series against India.
Cricket alerts, newsletters and social media
Get latest scores and headlines sent straight to your phone, sign-up to our newsletter and learn where to find us on online.
How to get into cricket
How to get into cricket - physical exertion with a chess-like element in matches which range from half an hour to five days.