The US Consulate General in Chennai has said that it is temporarily suspending appointments for visa applications.
The development comes a day after Tamil Nadu Chief Minister Jayalalithaa suffered a cardiac arrest. She is admitted at Apollo Hospitals, which is located half a kilometer from US Consulate in Chennai.
In an announcement on Tuesday, the Consulate said it will operate with reduced staffing on December 5, 2016, and has temporarily suspended appointments for routine services to US citizens and visa applicants.
"Applicants will be informed by e-mail. The consulate will provide updates when routine services are restored."
The consulate also advised its nationals to review their personal security plans; remain aware of their surroundings, including local events and monitor local news stations for updates.
"Maintain a high level of vigilance and take appropriate steps to enhance your personal security," said in an emergency message to the US citizens.
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"US citizens are reminded that even gatherings intended to be peaceful can turn confrontational and escalate into violence. You should avoid areas of demonstrations, and exercise caution if in the vicinity of any large gatherings, protests, or demonstrations," it was further said.
For the Non-immigrant Unit of the Chennai, Consulate will not be able to honor the appointment on Monday and advised to re-schedule the interview appointment with the Consulate.