  Crisis situations are characterised by their sudden occurrence and an unclear
information situation. In that context, social media platforms have become a
highly utilised resource for collective information gathering to fill these
gaps. However, there are indications that not only humans, but also social bots
are active on these platforms during crisis situations. Although identifying
the impact of social bots during extreme events seems to be a highly relevant
topic, research remains sparse. To fill this research gap, we started a bigger
project in analysing the influence of social bots during crisis situations. As
a part of this project, we initially conducted a case study on the Manchester
Bombing 2017 and analysed the social bot activity. Our results indicate that
mainly benign bots are active during crisis situations. While the quantity of
the bot accounts is rather low, their tweet activity indicates a high
influence.

Human-Computer Interaction;Social and Information Networks