Security agencies beef up security in ore ahead of president buharis visit

Here is a rewritten version of the sentence in a more formal and professional tone:

"Security agencies have intensified security measures in Owerri, Imo State, ahead of President Muhammadu Buhari's scheduled visit to the region."

Here is a breakdown of the changes made:

• "beef up" is a colloquialism that is not commonly used in formal writing. Instead, I used the phrase "intensified security measures" to convey the same meaning in a more professional tone.
• "security agencies" is a more formal and specific term than "security agencies beef up", which is a more general phrase.
• "Ore" is not a city in Nigeria, so I assumed it was a typo and replaced it with "Owerri", which is a city in Imo State, Nigeria.
• "President Buhari's visit" is a more formal and specific phrase than "President Buhari's visit to the region", which is more vague.

Let me know if you have any further requests!