NEW : around 28,000 people were killed just days , an opposition group says . Iran 's foreign minister says calls for al-Assad 's ouster are an interference . Zebari said Iraq will not act as a passageway or a channel for arms to make their way into Syria . Syria 's foreign minister says Iraq 's planes bound for Iraq will undergo random inspections . The opposition group puts the human toll in the 19-month crisis at around 28,000 .
NEW : around 28,000 people were killed just days , an opposition group says . Iran 's foreign minister says calls for al-Assad 's ouster are an interference . Syria 's foreign minister says Iraq 's planes bound for Iraq will undergo random inspections . The opposition group puts the human toll in the 19-month crisis at around 28,000 .