Just had a new radiator, temp gauge and flushed, now they say car is overheating

What is your question?

I was at a light and thought a hose broke, liquid was all over. so I took the car to a shop and they did the above work, but said that when they checked the car with their gauges, it overheated and might need a gasket check and/or engine. Never had a problem with the car overheating before this. Got the car last year with 95,000 miles. Engine turns on fine, but was told I shouldn't drive it.