India, June 3 -- At least 21 people were killed and several others injured after a massive fire broke out at a bed-and-breakfast establishment in South Delhi's Malviya Nagar area on Wednesday, officials said.

Among the victims are several foreign nationals, primarily from Central Asian and African countries, according to preliminary information provided by authorities.

The fire initially was reported to have started at Lemon Green Restaurant around 8.45 am. However, Delhi Police later clarified that the blaze had actually erupted at Flourish Stay B&B, located in the densely populated Hauz Rani locality of Malviya Nagar.

Emergency services rushed to the scene and launched a large-scale rescue operation. More than 40 people were evacuate...