Welsh runners who were taking part in the Boston Marathon have been talking about the bomb attack which claimed three lives and left more than 100 injured.
At least ten Welsh people were involved in the race with some of their families among the crowds.
They include one man from Cardiff who crossed the finishing line a minute before the first explosion.
You may find some of the images in Megan Boot's report distressing.
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It's certainly not the brightest of starts to the day, with drizzly rain in places.
It will feel much milder tonight that it did last night, with patchy showers around the coasts.
Well what a difference a day makes! It's the calm after the storm today!