Raise to

Adm. John Richardson ordered an operational pause in all the fleets around the world while the Navy works to determine the factors behind the collision. Richardson tweeted that the Navy will conduct a wide investigation, including a review into the possibility of "cyber intrusion or sabotage."

Adm. Phil Davidson, the head of the Navy's Fleet Forces, will lead the investigation.

Richardson made clear that there is no evidence of a hacking at this point, but some cyber experts have raised to possiblity given the location of the warships.

What does 'raise to' mean? Is it correct?