Lenovo Yoga 10 tablet vibrates and screen flashes whilst charging?

Hi!

So I just went to put on my tablet and it didn't turn on. I thought that it may have been out of battery, so I put it on charge.
All of a sudden, it begins to vibrate every 3-4 seconds and this is accompanied with the screen flashing a white light, synchronised with each vibration. The power button light also lights up with each vibration.

I have tried to hold the power button down for a long time but it hasn't worked. I'm wondering as to whether I should just leave it and try to turn it on in the morning?

Any help would be greatly appreciated. I am in desperate need for my tablet since I am doing exam and it is home to all my secondary revision material.

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