Swiss police have arrested a number of executives from football world governing body Fifa over US corruption charges, officials have told the BBC.

Police conducted the operation at a hotel in Zurich early on Wednesday.

The charges are said to include money laundering, racketeering and wire fraud over the last 20 years.

Fifa members are gathering in Zurich for their annual meeting on Friday, where incumbent President Sepp Blatter is seeking a fifth term.

Up to six Fifa officials are reported to have been arrested. They have not been named, but Mr Blatter is not understood to be one of them.

According to the New York Times, they will be extradited to the US.

The paper reports that plain-clothed police officers took the room keys from the reception of Baur au Lac hotel, where the officials were staying, and headed upstairs to the guest room. It said the operation was carried out peacefully.

Several Fifa officials have been arrested in dawn raids at a Zurich hotel ahead of Friday's presidential election.

The members of football's world governing body were held by Swiss police at the request of the US Department of Justice.

According to the New York Times,  the arrests were made over allegations of corruption.

The FBI will hold a press conference in New York at 15:30 GMT.

The Swiss authorities began their operation to arrest and extradite the Fifa officials to the US early on Wednesday.

Earlier this month, Fifa president Sepp Blatter said he knew of an FBI investigation, but that it was investigating former colleagues.

Current incumbent Blatter will go head-to-head against Prince Ali bin al-Hussein of Jordan in the election.