No indication over how long Lukaku would be sidelined was given by Napoli, but Italian media reported that he could be out of action until November.

Dubai is an important hub for diamond trading. Tightly controlled and policed, the UAE prides itself on its security and stability.

Chadian police confirmed having arrested six Boko Haram members but could not say if one of them was the older Yusuf's son.

Chelsea suffered a Club World Cup hangover as they were lucky to escape with a 0-0 draw against Crystal Palace to open their Premier League campaign on Sunday.

The incidents come after Bournemouth winger Antoine Semenyo alleged he was racially attacked by a member of the crowd.