Help!!!! Sedra Pump Leaking

I have a large sedra pump, it pumps about 2000 gallons per hour,i just got back from a trip, my brother was supposed to be watching the tank, well the water level got low and when I came in it was spitting air and bubbles into the tank, more then I ever saw before (water level must have been pretty low) I topped off the tank, but when I turned the pump back on it started to leak near where the screws to take the pump are, did it overheat and blow those seals??? Thanks, Justin
 
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