two buildings make up the keswick complex. only employees in the south building were evacuated today. >>> wjz is following a developing story from downtown. two employees robbed at gunpoint, inside mercy medical center. police say around 1:00, the employees were robbed on the third floor and cash was taken. police are reviewing surveillance camera footage. to release that picture to the public. >>> weather system dumping snow in the midwest is bringing maryland rain and lots of it. here's a live look outside right now. rain falling around much of the state at this hour. let's go right to meteorologist bernadette woods and bob turk, tracking first warning live doppler radar. we'll start with bob. >>> wet night on tap for just about everybody. take a look at radar. the heaviest activity now between easton and cambridge on the lower eastern shore. and that's moving up towards central portions of delaware. here in the baltimore region, not all that heavy. in fact, most of the rain has been light. it will continue to be generally o

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. -- keswick road. so far, hazmat teams have not found unsafe readings for carbon monoxide and several other types of irtants they would search for. seven people are sick. eight are being treated at hospitals. there are no life threatening conditions at this time. however, wjz will have a new update for you at 5:00 and 6:00. >>> wet, messy weather is moving through maryland. and what you can expect depends on where you live. >>> outside now, it is definitely raining. and downpours could get heavy at times. first warning weather coverage begins with meteorologist bernadette woods, tracking live doppler radar for us. bern, i think i heard sleet as well. >> it did start out as a little mix briely before turning overto rain. but out west, it is hanging a little longer. here's how it looks from first warning doppler radar. you can see all of this coming up from the south. and down to the south, you can see heavier bands. this is going to pick up as we head through the evening hours. as far as the watches and

>> vic, hazmat crews arrived after several people fell ill here at the keswick center. >> reporter: one by one, employees in the kes wick sowrp south center are loaded into ambulances. several are rushed to the hospital after suddenly becoming ill. >> trouble breathing. unknown cause of the illness. at this time is it under investigation. hazmat has been performing sweeps of the building. >> hundreds were immediately evacuated. some didn't want to go on camera. >> announcement came over the pa system, telling everybody to evacuate the building. >> we kept hearing sirens coming and going. and my manager came in a little later, like 10-ish. and she said, what's with all the sirens, the ambulances out front for? next thing you know, they made the announcement for everybody to vacate the building. we have been out here for 40 minutes. >> it's still unclear what cause the ilcontinuous. >> we've checked for carbon monoxide, hydrogen sulfide and others. >> reporter: we're told more than 1,000 hospital and university employees work here at the kez wick building. patients are not seen here. it's