The phrase "also expressed deep concern" is correct and usable in written English.
You can use it when discussing someone's feelings or reactions, particularly in formal or serious contexts, such as reports or news articles.
Example: "The committee also expressed deep concern about the environmental impact of the proposed project."
Alternatives: "also voiced significant worry" or "also conveyed serious apprehension."
The White House spokesman also expressed deep concern over the reports.
Other senior Lib Dems also expressed deep concern over the government's so-called security crackdown.
The Council also expressed "deep concern" at delays in deploying the joint United Nations-African Union peacekeeping force.
It also expressed "deep concern about the negative consequences for the court in case of non-execution of the warrants by states parties and, in this regard, urges them to respect their obligations to cooperate with the court".
In the joint statement, the five leaders also expressed "deep concern" about the situation in Syria, endorsing the joint mediation efforts of the United Nations and the Arab League and calling for a dialogue that respects "Syrian independence, territorial integrity and sovereignty".
Salam al-Marayati, the executive director of the Muslim Public Affairs Council, also expressed deep concern and noted that his group would be holding a convention this weekend at which members would discuss the impact that the Republican takeover of Congress could have on Muslims.
But many parents surveyed also expressed deep concerns about the distractions of video games, cellphones and television in their children's lives.
Senators also expressed deep concerns over shortages in the latest models of bulletproof vests and in armored Humvees, and also raised questions about the timetable for upgrading helicopters in Iraq with the newest equipment for warding off surface-to-air missiles.
Several smaller or specialty trade associations have also expressed deep concerns with Ryancare, including the American Academy of Pediatrics, the American Psychiatric Association, and the Federation of American Hospitals.
Senior Pentagon and military officials also express deep concern that the laws and understanding of armed conflict have not kept current with the challenges of offensive cyberwarfare.
But the committee also expresses deeper concerns about the British government's support for UK companies drilling worldwide at a time when it is trying to reduce carbon emissions at home.
