The Justice Minister has warned that the closure of Navan Hospital's Emergency Department could "transfer one risk to another".
Minister Helen McEntee added that she yet to receive "assurance" that resources will be in place for hospitals that could be affected by the closure.
The HSE plans to replace Navan's ED with a GP-referred, 24-hour medical assessment unit, and claims it's not a downgrade.
Over the weekend, CEO Paul Reid said plans were advancing despite ministerial opposition.
While Minister Helen McEntee says she would offer support to the plans if she were given "re-assurance" about capacity issues, she added that long-standing questions have not yet been addressed.
On this morning's Joe Finnegan Show, Minister McEntee sought a "commitment" that resources will be in place in hospitals that could be impacted by the move: