LONDON/PARIS, April 13 (Reuters) - The United States' NATO allies said on Monday they would not get involved in President Donald Trump's plan to blockade the Strait of Hormuz nL6N40V09S, further ratcheting up tensions within the increasingly fragile alliance.

By Laila Bassam, Steven Scheer and Jana Choukeir

BEIRUT/JERUSALEM, April 13 (Reuters) - Israeli troops launched an attack to seize a key south Lebanon town from Hezbollah fighters holed up inside on Monday, pressing the war on the Iran-backed group on the eve of historic talks nL1N40T0XP between Israeli and Lebanese government envoys.

By Olivia Le Poidevin

GENEVA, April 13 (Reuters) - A diplomatic push is under way on a U.N.-led proposal to ensure safe passage for fertiliser shipments through the Strait of Hormuz, the U.N. said on Monday, with a source familiar with discussions emphasising growing urgency due to shortages.

The six weeks of fighting sparked by U.S.-Israeli joint strikes on Iran, which spread to Lebanon and the Gulf, have killed thousands of people across the Middle East, upending global supply chains nL1N4050H4 following a near-total halt to shipping via the Strait of Hormuz.

LONDON, April 13 (Reuters) - The U.S. military will enforce a blockade nL6N40V09S in the Gulf of Oman and Arabian Sea east of the Strait of Hormuz and it will apply to all vessel traffic regardless of flag, the U.S. Central Command said in a note to seafarers seen by Reuters on Monday.

The note said the blockade would come into effect at 1400 GMT on Monday.

"Any vessel entering or departing the blockaded area without authorization is subject to interception, diversion, and capture," the note said.

NEW DELHI, April 13 (Reuters) - Iran has "good contact" with the Indian government on passage of the South Asian nation's ships through the Strait of Hormuz and wants to help New Delhi, Iranian Ambassador to India Mohammad Fathali said on Monday.

The U.S.-Israeli war on Iran, which began in February, has restricted shipping through the key route - a conduit for 40% of India's crude imports - impacting trade and squeezing oil supplies.

(Reporting by Krishna N. Das, writing by Sakshi Dayal; Editing by YP Rajesh)

By Gleb Bryanski

MOSCOW, April 13 (Reuters) - Russia, the world's largest wheat exporter, should create joint food reserves with fellow BRICS members and former Soviet neighbours to counter the risks to global food security stemming from the conflict in the Middle East https://www.reuters.com/world/iran/, a senior Russian security official said on Monday.

ANKARA, April 13 (Reuters) - Turkey said on Monday that NATO allies should use their July summit in Ankara to reset ties with U.S. President Donald Trump and prepare for a potential reduction of U.S. involvement in the alliance.

Foreign Minister Hakan Fidan said that Turkey believed Trump would attend the NATO leaders' summit on July 7-8 due to his "personal respect" for President Tayyip Erdogan, but added he understood Trump was otherwise reluctant come to the meeting.

ANKARA, April 13 (Reuters) - Turkey's foreign minister raised concerns on Monday about Iran or the United States proposing any new regulations for transiting the Strait of Hormuz, and said he saw difficulties around proposals to re-open the waterway with an international force.

Foreign Minister Hakan Fidan - who is in close touch with the U.S., Iran and mediator Pakistan - said in comments reported by state-owned Anadolu Agency that Hormuz should be opened through diplomacy, after weekend U.S.-Iran talks failed to reach a deal nL6N40V09S to end the war.

PARIS/LONDON April 13 (Reuters) - Britain and France will this week co-host talks aimed at restoring freedom of navigation in the Strait of Hormuz, including discussions on what President Emmanuel Macron described as a possible strictly defensive naval mission.

The talks are intended to bring together Britain, France and other countries willing to join a peaceful multinational mission aimed at restoring freedom of navigation in the strait.

The latest developments in the Middle East war:

- China urges talks -

China's President Xi Jinping vowed Tuesday his country would play a "constructive role" in promoting further peace talks and called for the national sovereignty of countries in the Middle East and Gulf to be "respected", state media reported.

Xi stressed "China's principled stance of promoting peace and urging talks", according to state news agency Xinhua, as the United States began a blockade of Iranian ports after a first round of peace talks ended without agreement.