These powerful London Underground signs are going viral

Sam Haysom
Updated

On the morning after the attack that left four dead and many injured in Britain's capital, Londoners were met with messages of hope on their morning commute.

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At many Tube stations across the city, it's tradition to write a "thought of the day" on whiteboards inside the station.

On Thursday morning, many of the messages had a similar theme.

This last one, which was shared by the Tower Hill Station social media account, has been retweeted over 3,000 times.

H/T Twitter Moments.

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