AUSTIN, Texas – After a Sunday night explosion in Southwest Austin, several local schools have delayed their start times Monday morning.

Two men in their 20s were injured after an explosion police said may have been triggered by a trip-wire.

RELATED: Austin Police Chief: 'Stay inside' after 2 men hospitalized in SW Austin explosion

Regents School of Austin originally decided to delay the start of the school day by two hours. However, as the investigation into the explosion continued to unfold they announced the school will be closed on Monday, March 19.  

St. Andrews Episcopal School will be on a two-hour delay Monday morning.

St. Gabriel’s Catholic School will delay their school day until 10:30 a.m. due to the police activity. The staff said they will conduct a security sweep of the school before classes begin.

Austin ISD said they will not be sending buses into the explosion area in Oak Hill. Any students who are tardy or absent from the neighborhood will be excused.