<h1>Activist detained under National Security Act, cleric and others remanded over communal violence; CBI probes builders' alleged frauds</h1> An activist was detained under the National Security Act and remanded to a distant jail, prompting heightened security and a temporary curfew relaxation in the affected region. Police arrested multiple individuals, including a cleric, and remanded them to judicial custody over violence arising from a communal campaign. A metropolitan court granted bail to the prime accused in a fatal vehicle incident, finding culpable homicide allegations weak based on CCTV. The high court authorized travel documents for a foreign woman and her minor children to return home. The CBI registered multiple FIRs and conducted searches in probes against builders and financial-institution officials for alleged fraud.