![Olivier Giroud has left Arsenal for London rivals Chelsea. Andrew Couldridge / Reuters](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SES57IQAAU45SVK4TJRL2NLRYI.jpg?smart=true&auth=029b5ed8a095e60b8ea960f5ac090b4bfc8420dbb9e768f34b9ef345cd20177b&width=400&height=225)
Olivier Giroud has left Arsenal for London rivals Chelsea. Andrew Couldridge / Reuters
Olivier Giroud has left Arsenal for London rivals Chelsea. Andrew Couldridge / Reuters
Transfer deadline day: Chelsea sign Giroud from Arsenal as Batshuayi loaned to Borussia Dortmund
London club announce arrival of France striker on 18-month contract and Batshuayi's departure until end of season