The UAE embassy in Berlin on Tuesday advised Emiratis in the city to take care and avoid crowded places.
In a tweet, it said citizens should carry identification documents and cooperate with German authorities.
The warning comes after truck plowed into a crowd on a Monday evening at a Berlin Christmas market, killing 12 people and injuring 48.
In September this year, the UAE consulate in New York issued a similar warning to its citizens to avoid public places and exercise caution following an explosion which killed 29 people.
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