1.  Although the project had obtained a building permit, the protesters challenged the approval on several points.

2.  Bush spokesman Scott McClellan said there could be some grounds to challenge the approval.

3.  Lawyers representing some potential asbestos claimants objected to the settlement, however, and challenged approval at the Philadelphia appeals court.

4.  Stevens says opponents may go to court to challenge approval of the Burger King by the zoning board of adjustment.

5.  The suits had challenged governmental approvals received during a two-year public review period.