Based on the given situation, the incident could be a bomb attack. According to FEMA, or the Federal Emergency Management Agency (2008) common targets of terrorists are public places where security is not tight or chances like bombs can slip in.Since it is an emergency, one can call, or must call those responsible for relief. One good action was the security guard calling for help from the 9-1-1. Somehow, they can help since several are wounded, and cases of death are possible. Three options when at situations like this is to seek for medical aid, next would be informing authorities about severe need to for response on the crowd, that is the crowd control groups like the police; lastly, there must be the need to call the attention of several anti-terrorism groups or those authorities of the government like the NBI for the case could not just be a simple explosion of a train, but a bombing related to terrorism.The agencies related to the government are interconnected, that means, in one way or another, several responses can come in a simple alert. Although a person does not have any idea about the landline numbers or contact numbers, there would always be ways. One of these is through calling the emergency numbers like the 9-1-1. Details about what happened are necessary for the agency on how they were supposed to respond with the situation. If you include with the details that it seemed to be like a terrorist bombing (and even if its not), they would give a signal alert for those related with the network. Through this information would flow to the NRF (National Response Framework) which was once the National Response Plan or the NRP. This framework is consisted of several working groups that does the same responses the moment they were informed, included are the emergency support annexes which are: Transportation, Communications, Public Works and Engineering, Firefighting, Emergency Management, Mass Care, Emergency Assistance, Housing, and Human Services, Logistics Management and Resource Support, Public Health and Medical Services, Search and Rescue, Oil and Hazardous Materials Response, Agriculture and Natural Resources, Energy, Public Safety and Security, Long-Term Community Recovery, External Affairs
Since it is common to have disorganized crowd during a bomb attack, one way of securing those who are in panic is to help. Giving comforts to those traumatized, helping those who were injured, and leading the crowd out of the incident area are just quick ways to secure those who are fine but panic-stricken. In such way, avoiding chaos is necessary.