A control unit for a hazard alert center, for example a break-in, fire detector and/or extinguishing control center, wherein the control unit - is configured to receive, from a hazard detector for detecting a hazardous situation, a first signal characterizing the hazardous situation, - comprises a user interface in the form of a touch-sensitive input and output screen having a display means which is configured to present ∘ a standard display and/or a message display, wherein the standard display is displayed by the display means if there has been no interaction with an operator of the hazard alert center and the control unit for a predetermined period, wherein the message display is called up by an operator, if the operator taps on the display means displaying the standard display and wherein in the message display a number of messages are displayed on the display means, namely an oldest message and a latest message, wherein further messages that lie in time between the oldest message and the latest message can be displayed in a scrollable manner on the display means spatially between the oldest message and the latest message, and ∘ a first event display that comprises a main section and first edge section that differs from the main section and is arranged in a lower section of the display region, wherein the main section is larger than the first edge section and the first edge section occupies less than 30 % of a height of the display region, wherein the first event display displays a first event characterizing a hazardous situation in the main section and displays the oldest message and the latest message in the first edge section of the display means, wherein the message display is called up by an operator, if the operator taps on the main section when the first event display is displayed, and the control unit - is configured, upon receiving the first signal, to control the display means in such a manner that the first event display is displayed instead of the standard display and/or the message display. - is configured to receive, from a hazard detector for detecting a hazardous situation, a first signal characterizing the hazardous situation, - comprises a user interface in the form of a touch-sensitive input and output screen having a display means which is configured to present ∘ a standard display and/or a message display, wherein the standard display is displayed by the display means if there has been no interaction with an operator of the hazard alert center and the control unit for a predetermined period, wherein the message display is called up by an operator, if the operator taps on the display means displaying the standard display and wherein in the message display a number of messages are displayed on the display means, namely an oldest message and a latest message, wherein further messages that lie in time between the oldest message and the latest message can be displayed in a scrollable manner on the display means spatially between the oldest message and the latest message, and ∘ a first event display that comprises a main section and first edge section that differs from the main section and is arranged in a lower section of the display region, wherein the main section is larger than the first edge section and the first edge section occupies less than 30 % of a height of the display region, wherein the first event display displays a first event characterizing a hazardous situation in the main section and displays the oldest message and the latest message in the first edge section of the display means, wherein the message display is called up by an operator, if the operator taps on the main section when the first event display is displayed, and the control unit ∘ a standard display and/or a message display, wherein the standard display is displayed by the display means if there has been no interaction with an operator of the hazard alert center and the control unit for a predetermined period, wherein the message display is called up by an operator, if the operator taps on the display means displaying the standard display and wherein in the message display a number of messages are displayed on the display means, namely an oldest message and a latest message, wherein further messages that lie in time between the oldest message and the latest message can be displayed in a scrollable manner on the display means spatially between the oldest message and the latest message, and ∘ a first event display that comprises a main section and first edge section that differs from the main section and is arranged in a lower section of the display region, wherein the main section is larger than the first edge section and the first edge section occupies less than 30 % of a height of the display region, wherein the first event display displays a first event characterizing a hazardous situation in the main section and displays the oldest message and the latest message in the first edge section of the display means, wherein the message display is called up by an operator, if the operator taps on the main section when the first event display is displayed, - is configured, upon receiving the first signal, to control the display means in such a manner that the first event display is displayed instead of the standard display and/or the message display.