cat attacked by pitbull -help!

today speedy, a 6 month old rescue cat, was in her yard in the Watts neighborhood in los angeleswith her owner Bianca. the cat was near a fence when the neighbor's pitbull grabbed him through the gate- something they had taken every precaution to prevent. speedy suffered a punctured lung and fractured leg. the family cannot afford to save their beloved cat but if we work together in the next 15 hours to raise the money we can save Speedy. please please help!!!