As it happened this morning, Wednesday, May 23

Here are the main developments for this morning: 

Philip Roth: The renowned US author has died aged 85, the New York Times reports. He wrote more than 30 books, including the 1991 memoir Patrimony.

Hamburg diesel ban: The northern German city has announced it will pollute the most-polluting diesel vehicles from its streets from May 31.

**Wenger successor: **Former Paris St Germain manager, Unai Emery, has been appointed the new manager of London football team Arsenal.

This is how we covered emerging events: