India, Feb. 19 -- Tensions between the United States and Iran have intensified sharply, with senior officials and analysts warning that a large-scale military confrontation could erupt within days and stretch on for weeks, even as diplomatic talks continue, according to a report by Axios.

The report quoted former Israeli Military Intelligence chief Amos Yadlin as saying the likelihood of conflict has risen significantly.

Speaking to Israel's Channel 12, Yadlin said he would now think twice about travelling abroad, a day after the second round of nuclear negotiations between Washington and Tehran concluded in Geneva.

According to Axios, US officials believe that if military action begins, it would not be symbolic or limited but a sustai...