meg oliver reports from new york. >> reporter: local police across the country are on high alert aftert gate was just the beginning. he is referring to the 2013 attack at the high-end west gate mall in nairobi where 67 people were killed. on sunday homeland security secretary jaye johnson urged shoppers to be cautious. >> we now have a situation where groups like isil, al- shabaab and others are publicly calling for individual actors to carry out attacks in their homelands. and in my judgment that represents a totally new environment. >> reporter: the al-shabaab video singled out minnesota's mall of america as well as six others. al-shabaab has recruited members from minnesota in the past. it is home to the largest somali population in north america. mall of america released a statement saying it has ramped up security. here in new york officials tell cbs news they give special attention to key shopping areas with s.w.a.t. teams and critical response vehicles. >> i feel extremely safe if i see a policeman or a state patrol there. >> reporter: intelligence officials say al-shabaab so fa

meg oliver - - an attack. malls have been on high alert. >> reporter: a video was released late on saturday. in a video, a man with a face that is covered with a towel says westgate is just the beginning. he is referring to the 2013 attack where 67 people were killed during a tearist siege. on suspend is, homeland security secretary jay johnson urged shoppers to be cautious. >> we now have a situation where groups like isil, a2ap, they are publicly calling for individual actors to carry out attacks in their homelands. and in my judgment that represents a new environment. >> reporter: the video singled out minnesota's mall of america as well as six others. they have recruited members from minnesota in the past. it is home to the largest sumolly population in america. >> they are keeping attention on shopping areas. >> i feel extremely safe. police men are all here, and state patrol is there. >> reporter: inteleagainst officials say they have not shown ability to launch major external operations outside of east

cbs news correspondent meg oliver has more. >> reporter: local police across the country are in highth a towel says that west gate was just the beginning beginning. he is referring to the 2013 attack at the high end west gate mall in nairobi where 67 people were killed during a terrorist siege. on sunday homeland security jay johnson urged shoppers to be cautious. >> we now have a situation where groups like isol al shabob aqap are putts pub luckily calling for individual actors to carry out attacks in their home lands. and in my judge that represents a totally new environment. >> reporter: al shabob video single out minnesota's mall of america as well as six others. al shabob recruited flex minnesota in the past. it is home to the largest so molely population in north america. the mall of mercury lease add statement saying it has ramped up security. here in new york officials tell cbs news they give special attention to key shopping areas with swat teams and critical response vehicles. >> i feel save f i see policeman or state patrols. >> reporter: inn diligence officials say al sha

meg oliver very cbs news, new york. >> they released a recruitment video called minnesota martyrs encouraging young men living in minnesota to join the jihad. >>> a fire broke out here on 15th and church street. there is debris from the damaged apartments piled on the sidewalk. at least a dozen people who live in the building are displaced. nobody was hurt in the 3 alarm fire. investigators think it was an electrical problem that sparked the fire. >>> six people were rescued after their canoe capsized. when help arrived all 6 people were in the water. the coast guard says everybody is okay. they don't know what caused the canoe to sink. >> a shocking new statistics on safety of trains carrying crude oil in populated areas. what government says are the chances for derailment. >>> it is known as the happiest place on earth. >>> a new report on risk trains pose. the government predicts trains can derail 10 times a year over the next 2 decades. the department of transportation says it could cause $4 billion if damage. if there is a serious accident hundreds can die. it comes at a time when fierce