The US said yesterday that it told Secretary General Ban Ki-moon that an upcoming summit in Iran sent a “strange signal” after Tehran reported that the UN chief would attend. Iranian state media has said that the UN chief will visit Tehran for an August 30-31 summit of the Non-Aligned Movement. US State Department spokeswoman Victoria Nuland stopped short of urging Ban not to attend but said the US considers Iran “an inappropriate place for this meeting. From GT