UPDATE 4-Netanyahu cancels trip to Obama's nuclear summit
* Netanyahu fears Islamic ambush at conference
* Sends a deputy in his place to Washington
* Republicans say Obama is snubbing Israel
(Adds background, Netanyahu quotes)
By Douglas Hamilton and Dan Williams
JERUSALEM, April 9 (Reuters) - Israeli Prime Minister Benjamin Netanyahu has cancelled a planned trip to Washington next week for President Barack Obama's 47-country nuclear security conference.
He made the decision after learning Egypt and Turkey intended to raise the issue of Israel's assumed atomic arsenal at the meeting, a senior government official said on Friday.
Israel is believed to be the only nuclear-armed power in the Middle East, but has never confirmed or denied it. It has not signed the nuclear Non-Proliferation Treaty (NPT). Continued...