Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
SASTRE MARIA
   2. Issuer Name and Ticker or Trading Symbol
LAIDLAW INTERNATIONAL INC [LI] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
55 SHUMAN BLVD., SUITE 400		 3. Date of Earliest Transaction (Month/Day/Year)
10/01/2007
(Street)

NAPERVILLE, IL 60563		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 10/01/2007   D   3,375 D $ 35.25 (1) 0 D  
Common Stock 10/01/2007   D   10,125 D $ 35.25 (2) 0 D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Director Stock Option (right to buy) $ 27.15 10/01/2007   D     6,750   (3) 09/01/2016 Common Stock 6,750 $ 8.1 (3) 0 D  
Director Stock Option (right to buy) $ 24.79 10/01/2007   D     6,750   (4) 09/01/2015 Common Stock 6,750 $ 10.46 (4) 0 D  
Director Stock Option (right to buy) $ 18.85 10/01/2007   D     6,750   (5) 12/08/2014 Common Stock 6,750 $ 16.4 (5) 0 D  
Director Stock Option (right to buy) $ 10.33 10/01/2007   D     6,750   (6) 09/10/2013 Common Stock 6,750 $ 24.92 (6) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SASTRE MARIA
55 SHUMAN BLVD.
SUITE 400
NAPERVILLE, IL 60563		   X      

Signatures

 Beth Byster Corvino as Attorney-in-Fact for Maria Sastre   10/01/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Disposed of pursuant to the Agreement and Plan of Merger, dated as of February 8, 2007, among Laidlaw International, Inc., FirstGroup Acquisition Corporation (formerly known as Fern Acquisition Vehicle Corporation) and FirstGroup plc in exchange for the right to receive $35.25 per share.
(2) Pursuant to the Agreement and Plan of Merger, dated as of February 8, 2007, among Laidlaw International, Inc., FirstGroup Acquisition Corporation (formerly known as Fern Acquisition Vehicle Corporation) and FirstGroup plc, at the effective time of the merger, each restricted share of Laidlaw common stock became fully vested and converted into the right to receive $35.25 per share.
(3) This option, which provided for vesting in three (3) equal annual installments beginning September 1, 2007, was canceled in the merger in exchange for a cash payment equal to the difference between the exercise price of the option and the merger consideration of $35.25 per share, multiplied by the number of shares subject to the option.
(4) This option, which provided for vesting in three (3) equal annual installments beginning September 1, 2006, was canceled in the merger in exchange for a cash payment equal to the difference between the exercise price of the option and the merger consideration of $35.25 per share, multiplied by the number of shares subject to the option.
(5) This option, which provided for vesting in three (3) equal annual installments beginning December 8, 2005, was canceled in the merger in exchange for a cash payment equal to the difference between the exercise price of the option and the merger consideration of $35.25 per share, multiplied by the number of shares subject to the option.
(6) This option, which provided for vesting in three (3) equal annual installments beginning September 10, 2004, was canceled in the merger in exchange for a cash payment equal to the difference between the exercise price of the option and the merger consideration of $35.25 per share, multiplied by the number of shares subject to the option.

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