DOJ sends grand jury subpoenas to Philadelphia DA Krasner after judge's referral, sources say

The Justice Department sent grand jury subpoenas to Democratic Philadelphia District Attorney Larry Krasner's office in recent days, Fox News has learned.

Two sources briefed on the subpoenas say they are related to potential obstruction of justice relating to the handling of cases before federal judges. The sources said the subpoenas came as a result of a federal judge referring Krasner and his top deputy to the DOJ for possible criminal investigation.

This is a developing story. Check back soon for updates.