ICYMI: ECB's Wunsch says May decision will be +25 or +50bp, will depend on April inflation

European Central Bank Governing Council member Pierre Wunsch, Governor of the National Bank of Belgium spoke in an interview with CNBC.

Wunsch reiterated that the European Central Bank 'needs to do more'

• said the choice is between a fourth straight 50 basis-point hike or a smaller, quarter-point move — and will depend on April's inflation figure

Another ECB speaker overnight:

• ECB's Kazaks: Risk of recession is non-trivial. Rates will need to go up more.