Two armed robberies last night --- one with a knife - the other with a gun have Springfield Police busy. First one at a tanning salon on Island Pond Road about 4-3o a 6 foot tall man with a goatee and a knit hat walked inand demanded cash. Got away in a car. Then on Liberty Street about 8 a man with a gun walks into a shoe store demanding cash. He is 5-6 with a goatee and a beard and framed glasses.