Transfer deadline day live: Arsenal sign record-breaking Aubameyang; Giroud moves to Chelsea

- Arsenal complete club-record signing of Pierre-Emerick Aubameyang.
- Arsenal also made Mesut Ozil their highest-ever paid player, according to reports.
- Chelsea's Michy Batshuayi goes on loan to Borussia Dortmund until the end of the season.
- That cleared the way for Olivier Giroud to join Chelsea for £18million.
- Tottenham complete the signing of Lucas Moura from PSG for £25m.
- Riyad Mahrez to Man City deal is off.