A Bangladeshi military training aircraft crashed into the campus of a school in Dhaka, killing the pilot and at least 19 others, mostly students, officials say.

At least 19 people were killed and 164 injured as a Bangladesh air force training jet crashed into a college and school campus in the capital Dhaka on Monday after experiencing a technical problem shortly after take-off,

More than 170 people were injured after the training aircraft crashed, military officials said. The country’s interim leader called the loss “irreparable.”