SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE TO

TENDER OFFER STATEMENT UNDER SECTION 14(d)(1) OR SECTION 13(e)(1)
OF THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

LAIDLAW INTERNATIONAL, INC.

(Name of Issuer)

LAIDLAW INTERNATIONAL, INC.

(Name of Filing Person (Offeror))

Common Stock, $0.01 par value
(including the associated preferred share purchase rights attached thereto)
(Title of Class of Securities)

50730R102
(CUSIP Number of Class of Securities)

Beth Byster Corvino, Esq.
Executive Vice President, General Counsel
and Corporate Secretary
Laidlaw International, Inc.
55 Shuman Boulevard, Suite 400
Naperville, Illinois 60563
(630) 848-3000
(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications
on Behalf of the Filing Person(s))

Copy to:
Richard S. Meller, Esq.
Latham & Watkins
233 S. Wacker Drive, Suite 5800
Chicago, Illinois 60606
(312) 876-7700

CALCULATION OF FILING FEE

	Transaction valuation*		Amount of filing fee**
	$427,500,000		$45,742.50

þ      Check box if any part of the fee is offset as provided by Rule 0-11(a)(2) and identify the filing with which the offsetting fee was previously paid. Identify the previous filing by registration statement number, or the form or schedule and the date of its filing.

Amount Previously Paid:   $45,742.50		Filing party:   Laidlaw International, Inc.
Form or Registration No.:   Schedule TO-I		Date Filed:   July 10, 2006

o      Check the box if the filing relates solely to preliminary communications made before the commencement of a tender offer.

Check the appropriate boxes below to designate any transactions to which the statement relates:

     o third-party tender offer subject to Rule 14d-1

     þ issuer tender offer subject to Rule 13e-4

     o going private transaction subject to Rule 13e-3

     o amendment to Schedule 13D under Rule 13d-2

Check the following box if the filing is a final amendment reporting the results of the tender offer o

     This Amendment No. 1 to Tender Offer Statement on Schedule TO (“Amendment No. 1”) relates to the offer by Laidlaw International, Inc., a Delaware corporation (“Laidlaw”) to purchase up to 15,000,000 shares, or such lesser number of shares as are properly tendered, of its common stock, $0.01 par value, including the associated preferred share purchase rights issued pursuant to the Rights Agreement, dated June 23, 2003, by and between Laidlaw and Wells Fargo Bank Minnesota, National Association, as Rights Agent, at a price not greater than $28.50 nor less than $25.50 per share, net to the seller in cash, without interest, as specified by shareholders tendering their shares. Laidlaw’s offer is being made upon the terms and subject to the conditions set forth in the Offer to Purchase dated July 10, 2006 and in the related Letter of Transmittal, which, as amended or supplemented from time to time, together constitute the tender offer. This Amendment No. 1 amends and supplements the Tender Offer Statement on Schedule TO originally filed by Laidlaw on July 10, 2006 (“Schedule TO”) as set forth below. This Amendment No. 1 to Schedule TO is intended to satisfy the reporting requirements of Rule 13e-4 under the Securities Exchange Act of 1934, as amended.

     The information in the Offer to Purchase and the related Letter of Transmittal, copies of which previously were filed on Schedule TO as Exhibits (a)(1)(i) and (a)(1)(ii) thereto, respectively, is incorporated herein by reference in answer to Items 1 through 11 in Schedule TO except that such information is hereby amended and supplemented to the extent specifically provided herein.

ITEM 12. EXHIBITS.

     Item 12 of Schedule TO is hereby amended and supplemented by adding as Exhibit (a)(5)(v) a memo to Equity Plan Participants about participation in the tender offer.

SIGNATURE

     After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

EXHIBIT INDEX

EXHIBIT
NUMBER		DESCRIPTION
(a)(1)(i)		Offer to Purchase, dated July 10, 2006.*
(a)(1)(ii)		Letter of Transmittal.*
(a)(1)(iii)		Notice of Guaranteed Delivery.*
(a)(1)(iv)		Letter to Shareholders, dated July 10, 2006.*
(a)(1)(v)		Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.*
(a)(1)(vi)		Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees.*
(a)(2)-(4)		Not applicable.
(a)(5)(i)		Press Release, dated July 10, 2006.*
(a)(5)(ii)		Summary Advertisement, dated July 10, 2006.*
(a)(5)(iii)		Questions and Answers for employees regarding stock buy back.*
(a)(5)(iv)		Letter to employees regarding stock buy back.*
(a)(5)(v)		Memo to Equity Plan Participants about participation in the tender offer.
(b)		Commitment Letter dated July 5, 2006, by and among Laidlaw International, Inc., Citigroup Global Markets Inc., UBS Securities LLC and Morgan Stanley Senior Funding, Inc.*
(d)		Rights Agreement, dated June 23, 2003, by and between Laidlaw International, Inc. and Wells Fargo Bank Minnesota, National Association, as Rights Agent (filed as Exhibit 4.3 to the Form 8-K filed on July 9, 2003 and incorporated herein by reference).*
(g)		Not applicable.
(h)		Not applicable.