[caption id="attachment_4417" align="aligncenter" width="706"] Delhi Fire Service received a call alerting a 'blast' near Israeli Embassy on Dr. APJ Abdul Kalam Road. (India Today/ Screengrab)[/caption] The Israeli embassy confirmed that an explosion occurred near the consulate building on Tuesday night. Officials told India Today TV that a letter wrapped in an Israeli flag was also found near the blast site. Officials said the letter was addressed to the ambassador at the Israeli embassy. "We can confirm that around 5:08 (pm) there was a blast in close proximity to the embassy. The Delhi police and the security team are still investigating the situation,' the embassy's spokesperson said. Delhi Police was alerted about the blast behind the embassy located in the Chanakyapuri area, which is the diplomatic neighborhood in the national capital. The blast was reported on a call by an unidentified caller to the Delhi Fire Service at around 6 pm earlier today. The caller claimed that an explosion took place on an empty plot behind the Israeli embassy. Subsequently, a special cell team of the police along with the bomb squad reached the spot for inspection. Nothing suspicious was found at the location, the Delhi Fire Department chief said. Speaking about the blast, an eyewitness told news agency ANI that the sound was "quite loud". "This happened around 5 pm, I was on my duty and heard a loud sound. When I came out, I saw smoke billowing from the top of a tree, that's all I saw...Police have taken my statement..." A detailed probe is underway. The police have taken the letter into custody.