NAGPUR: TWO workers were killed and one was injured when the slab of an underground coalmine of Western Coal-fields Limited (WCL) caved in near Chandrapur on Sunday. Raju Bhandari (46) and Bapurao Yenpalliwar (50) died and San-jay Upare (34) was injured when the mishap occurred at the Mana underground mine today afternoon. There were about 80 workers in the particular section of the mine when the mishap occurred. Rest escaped un-hurt.ln another incident on Sunday, Pravion Ohodile (33), an engineer with a private coal washery, was crushed to death under a bunker} Rajura, near Chandrapur.