Lviv Explosion: 23 Killed, 24 Injured
Explosions during police response to shop break-in near Lviv city center.
Homemade explosives damaged patrol and civilian vehicles near Old Town.
Lviv prosecutor's office investigates as terrorist act, 15 treated, some seriously.
Mayor called it a terrorist act, Lviv near Poland has faced attacks since 2022.
Nationwide air alert due to Kyiv missile strikes; no suspects named.