Arsenal have confirmed a huge blow with the news that Kieran Tierney has been ruled out for 4-6 weeks with an on-going groin issue.

Arsenal have confirmed the arrival of David Luiz with the Brazilian centre-back completing an £8m move from Chelsea on deadline day.

Arsenal have announced the signing of Kieran Tierney in a £25m deal with the full-back joining the club on a long-term contract from Celtic.

According to Sky Sports News, David Luiz is undergoing his medical with Arsenal ahead of a proposed £8m deadline day move from Chelsea. 

Kieran Tierney has travelled to London overnight to finalise his move to Arsenal after we finally agreed a £25m deal with Celtic.

It's vital Arsenal get a proposed £45m double deal for David Luiz and Kieran Tierney over the line on deadline day.

Arsenal are closing in on a shock £20m deal to sign Chelsea centre-back David Luiz on transfer deadline day.

Arsenal are hoping to push through a £27.7m deal to sign Daniele Rugani after agreeing personal terms with the Juventus centre-back 

Arsenal remain interested in signing Kieran Tierney and are expected to finally get a deal agreed with Celtic ahead of Thursday evening's deadline.

There are some sensational reports from L'Equipe via the Mirror that claim Philippe Coutinho will join Arsenal on a season-long loan deal from Barcelona.