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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

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                                    FORM 8-K

                                 CURRENT REPORT

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                        PURSUANT TO SECTION 13 OR 15(D)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                Date of Report (Date of earliest event reported)
                                October 7, 2002
                                   001-13836
                            (Commission File Number)

                            TYCO INTERNATIONAL LTD.
             (Exact name of registrant as specified in its charter)

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                   BERMUDA                                      04-2297459
       (Jurisdiction of Incorporation)             (IRS Employer Identification Number)

                     THE ZURICH CENTRE, SECOND FLOOR, 90 PITTS BAY ROAD
                                  PEMBROKE, HM 08, BERMUDA
                    (Address of registrant's principal executive office)
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                                  441-292-8674
                        (Registrant's telephone number)

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ITEM 5. OTHER EVENTS

    On October 7, 2002, Tyco International Ltd. (the "Company") filed a Demand
for Arbitration (the "Demand"), IN THE MATTER OF AN ARBITRATION BETWEEN TYCO
INTERNATIONAL LTD., CLAIMANT, AND MARK H. SWARTZ, RESPONDENT, against Mark H.
Swartz, the Company's former Chief Financial Officer and Director. The Company
alleges in the Demand that Mr. Swartz breached his fiduciary duties and
otherwise engaged in wrongful conduct relating to his employment by the Company
and misappropriated Company funds and other assets and seeks to recover from
Mr. Swartz all damages suffered by the Company as a result of such breach,
wrongful conduct and misappropriation. The Demand was filed with the American
Arbitration Association in New York City, New York.
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                                   SIGNATURES

    Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

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                                                       TYCO INTERNATIONAL LTD.

                                                       By:            /s/ WILLIAM B. LYTTON
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                                                                        William B. Lytton
                                                               EXECUTIVE VICE PRESIDENT AND GENERAL
                                                                             COUNSEL
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Dated: October 7, 2002

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