The mayor of this city said 35 to 40 people are believed to be dead in a massive fertilizer plant explosion “because they are unaccounted for and still missing.” “We are out there searching the rubble, looking in each and every house. We are trying to locate each and every citizen,” Mayor Tommy Muska said in a telephone interview with The Times. Muska said he arrived at the count of 35 to 40 dead because all other residents and first-responders in the area have been identified. Among those who were missing and believed dead, he said, were as many as...