<summary in Hindi>
* Constraint 4:
- Title: Max 15 words.
- Keywords: Exactly 3, in English.
- Summary: 6-8 sentences, max 300 words.

* Vietnamese Title: "Nga tuyên bố kiểm soát thành phố quan trọng của Ukraine, ông Putin phát thông điệp" (Russia claims control of important Ukrainian city, Putin sends message).
* Vietnamese Body: "Ngày 3.7, Nga tuyên bố đã kiểm soát được thành phố Kostyantynivka, một cứ điểm quan trọng trên con đường dẫn đến những thành phố lớn cuối cùng ở vùng Donbass vẫn nằm dưới sự kiểm soát của Ukraine, theo AFP." (On July 3, Russia announced it had taken control of the city of Kostyantynivka, an important stronghold on the road to the last major cities in the Donbass region still under Ukrainian control, according to AFP.)

* *TITLE (Hindi):*
- English thought: Russia claims control of important Ukrainian city Kostyantynivka.
- Hindi translation: रूस ने यूक्रेन के महत्वपूर्ण शहर कोस्त्यान्टिनिव्का पर नियंत्रण का दावा किया।

* *PHRASE (English keywords):*
- Russia-Ukraine conflict, Donbass region, Kostyantynivka capture.

* *SUMMARY (Hindi):*
- Requirements: 6-8 sentences.
- Text source is very short (one sentence). I need to expand it into a summary format while maintaining journalistic integrity, based on the facts provided. Since the source text is only one sentence, writing 6-8 sentences requires some elaborative phrasing about the context of the Donbass region and the strategic importance mentioned.
- Sentence 1: रूस ने यूक्रेन के एक रणनीतिक शहर कोस्त्यान्टिनिव्का पर कब्जा करने की घोषणा की है। (Russia announced capture of strategic city Kostyantynivka.)
- Sentence 2: यह दावा एएफपी (AFP) की एक रिपोर्ट के माध्यम से सामने आया है। (This claim came through an AFP report.)
- Sentence 3: यह घटना 3 जुलाई को घटित हुई। (This incident happened on July 3.)
- Sentence 4: को