Aruba workers join hunt for missing teen
Two men charged as investigators search for Alabama student
ORANJESTAD, Aruba (CNN) -- Aruba's government employees today joined police, Dutch marines and FBI agents in the search for 18-year-old Alabama student Natalee Holloway, who vanished a week ago on the Caribbean island.
Authorities said some searchers were focusing on the eastern tip of the island, the same area searched Sunday by Dutch marines.
The area is also near the oil refining town of San Nicolas, where two hotel security guards were arrested Sunday morning in connection to Holloway's disappearance.
The security guards were charged with crimes related to Holloway's disappearance but details of the charges have not been made public. Authorities will hold the men for at least two days, Aruba chief prosecutor Karen Janssen said Sunday.
Janssen also said she has requested FBI dive teams to help search craggy areas of Aruba's coast.
An FBI spokesman in Miami, Florida, said earlier reports that bureau divers would join the search Monday were in error, as was a report that its agents assisted in Sunday's arrests.
Seven FBI agents from Miami are in Aruba, including two divers and evidence collection and analysis experts, and one agent has come from Barbados, the spokesman said.
Police Chief Jan van Strantan said the two men arrested are security guards at the Hotel Allegro, which is near the Holiday Inn where Holloway was staying.
Police spent much of Saturday at the hotel, which is undergoing renovations.
At a Sunday news conference, van Strantan said police and the FBI determined that bloodstains found on a mattress near the site of the men's arrests were from a dog.
Van Strantan said authorities have not found any of Holloway's possessions among items seized.
A tip led police to the men, who were under "interrogation," and others may be arrested, Janssen said.
The men, ages 28 and 30, were not among the three men in whose company Holloway was last seen.
Holloway last seen leaving club
Holloway -- from the affluent Birmingham, Alabama, suburb of Mountain Brook -- was last seen about 1:30 a.m. May 30 leaving Carlos 'n' Charlie's, an Oranjestad nightclub.
Witnesses said she left in a car with three local men between the ages of 18 and 25.
Authorities said they talked to the three men who left with her. The men said they took Holloway to Arashi Beach before leaving her at her hotel about 2 a.m., authorities said.
Holloway's uncle, Paul Reynolds, said he was told security cameras did not show his niece returning to the hotel that night, according to an Associated Press report. Police declined to comment on that report, the AP said.
"We're still looking, we're still hoping she's alive," Rudie Soemers, police night watch commander, told CNN.
Rewards and yellow ribbons
Holloway was on the trip to Aruba -- a self-governing island off Venezuela under the protection of the Netherlands -- with about 100 Mountain Brook High School students to celebrate graduation.
The girl's aunt, Marcia Twitty, said the Holloway family believes the parent chaperones on the Aruba trip did all they could.
Holloway is a straight-A student and a member of the National Honor Society and the school's dance team. She has an academic scholarship to the University of Alabama. (Profile)
A reward of $55,000 has been donated by the Aruban Tourist Board and government, Holloway's family and an anonymous donor.
The family has asked members of the Mountain Brook community to post yellow ribbons in her honor. In addition, area youths are making bracelets. Daily prayer services are being held for Holloway.
She is described as 5 feet 4 inches tall and 110 pounds. People with any information are encouraged to call a tip line at 1-877-628-2533.
CNN's Karl Penhaul contributed to this report.
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Associated Press contributed to this report.