The phrase "apprehensions increased" is correct and usable in written English.
It can be used when discussing a rise in fears, concerns, or anxieties about a particular situation or event.
Example: "As the deadline approached, apprehensions increased among the team members about the project's success."
Alternatives: "fears grew" or "concerns heightened".
When Garfield was assassinated by a disappointed office seeker who wanted the Stalwart Arthur to be president, public apprehension increased markedly.
The networks apprehension increased toward the end of 1973, when Burch proposed a rule-making proceeding to determine whether the ex- isting ownership of the network stations was in the public interest.
That apprehension increased with Trump's Friday-morning tweetstorm that claimed "trade wars are good, and easy to win".
Their apprehension increased when a news item in the Dubai-based newspaper, the National, cited a report in Jane's Defense Weekly that up to 30,000 recruits from the Afghan security forces were to be flown to India for training over a three-year period.
While the "gang of eight" got it right by including a pathway to legal status, migrants will have to wait up to 10 years, and likely much longer, to apply for full citizenship under the condition that the US-Mexico border is secure measured by the fact that 100% of the border is surveilled and apprehensions increase to 90%.
More policing led to more apprehensions, which increased the impression among Americans that there was a problem — even though entries from Mexico leveled off after 1979, Massey said.
"While border security is complex and cannot be measured in a single metric," said Peter Boogaard, a spokesman for the Homeland Security Department, "in every metric available to measure progress, we're heading in the right direction, including decreased apprehensions and increased seizures".
Apprehensions had increased the last four years after trending downward for decades.
In fact, while the likelihood of apprehension has increased in recent years, 92 to 98 percent of those who try to cross eventually succeed, according to research by Wayne A. Cornelius and his colleagues at the University of California, San Diego.
