<p>Against the backdrop of US threats of unilateral action against the Haqqani network, Khar said Pakistan had some “red lines” for its ties with the US.<br /><br />“If any established rules of engagement are broken, then all doors and options will be opened up,” Khar told ‘Aaj News’ channel in response to a question about the possibility of the US sending troops into Pakistan.</p>
<p>Against the backdrop of US threats of unilateral action against the Haqqani network, Khar said Pakistan had some “red lines” for its ties with the US.<br /><br />“If any established rules of engagement are broken, then all doors and options will be opened up,” Khar told ‘Aaj News’ channel in response to a question about the possibility of the US sending troops into Pakistan.</p>