Blast reported at Iranian hospital

CNN: A bomb exploded Tuesday at a hospital near Tehran, Iranian media reports said.

By the CNN Wire Staff

Tehran, Iran (CNN) — A bomb exploded Tuesday at a hospital near Tehran, Iranian media reports said.

One person has been arrested, suspected of placing the bomb at the entrance of al-Ghadir hospital in Resalat Square, police in Tehran said.

There were no casualties or damage at the hospital but the windows in neighboring buildings were blown out.

Authorities were investigating the incident.