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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Cloudy at first with outbreaks of rain, sleet and hill snow possible.
Remaining cold with bright spells and further scattered rain and sleet showers, with snow becoming increasingly restricted to hills.
Cold, with some wintry showers at first, but with any snow becoming confined to the hills.