"You never want to see something like that, especially when you're on vacation, or any child in general no matter where you are, " Cybulski told CNN affiliate WKMG.

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But no matter how tough you are, there are times when the strain takes its toll.

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When you're facing Clayton Kershaw and you draw a base on balls, no matter who you are, it's a pretty good at-bat.

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Anand Shukla, from national childcare charity Daycare Trust, said: "No matter how well qualified the members of staff, there are practical considerations when you increase the number of children that they have to look after, " he said.

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