Production will remain suspended indefinitely at a Tata Electronics plant in southern India that makes Apple iPhone components after a fire at the weekend, officials said on Monday as they acted to prevent further damage from the blaze.

“We have stationed fire engines at the plant as there are chances of a follow-up fire incident or smoke coming out when the sheds that had fallen during the accident are removed,” M. Velu, a district fire officer, told Reuters.

“We have not yet ascertained the cause of the fire.”

The fire broke out at the plant in Tamil Nadu early on Saturday, leaving 10 people with minor injuries and halting production. It is the latest incident to affect Apple’s iPhone supply chain in India just as the tech giant is looking to diversify beyond China and sees India as a key growth market.

Apple has not commented on the incident, while Tata has said the cause of the fire is under investigation and emergency protocols at its plant ensured its employees were safe.

Rescue teams were still clearing debris on Monday and officials have struggled with inspections due to the extensive damage.

The plant makes critical back panels and some other components for iPhones. In the same complex, another building is due to start iPhone assembly before the end of the year, but it’s not clear how it has been impacted.

Reuters