Usage patterns
〈事〉を即刻中止するto immediately stop/cancel something
When the problem came to light, they immediately halted the construction work.
〈場所〉を即刻退去するto leave a place immediately (usually under order)
The police ordered the squatters to vacate the building immediately.
〈事〉に即刻対応するto respond to something immediately
The company promised to respond to complaints immediately.