i need help 63 impala

i have a 63 impala with a 350 and a 2spd powerglide...my problem is that when my car is cold it starts up fine..once the car has been warmed up and i turn it off and i try turning it on...it does not start it keeps on choking...even after i stop trying to start it and i take the key out it still keeps on trying to start on its own...and last time i burnt my battery wires....if someone can help me out on this...thanx in advance

check yer starter solinoid,if its stickin it will run 4 ever