Dominic Kavanagh is a Clinical Care Patient Advisor for the Midlands at the Cystic Fibrosis Trust.
Many people from the region are running the London marathon to raise money for the charity, but he says he's confident in the country's security services.
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A dry start, with sunny spells developing. However turning cloudier again later, with showers possible by the evening.
After a fine evening with some late sunshine to the end the day, a largely dry and fairly warm night will follow with clear spells.
Any remaining showers will fade, to leave it dry overnight.