STOCKHOLM A Polish submarine escaped from Tallinn under fire this morning, and about sixty Polish aircraft had landed at Daugavpils in Latvia by midday. Both reports reached Stockholm through news agencies, and the Estonian and Latvian governments have both stayed silent.

LONDON Britain's obligations to Poland are unchanged, the government said in a statement issued in London this evening. The statement also says the Soviet case for entering Poland fails to stand up.

LONDON The British Government has rejected the Soviet government's justification for its attack on Poland, in a statement issued in London this evening.

PARIS The Western Front was calm today, according to a semi-official French summary issued in Paris.

WASHINGTON President Roosevelt has invited Alfred Landon and Frank Knox to the White House on Wednesday to discuss neutrality.

RUGBY Holders of farmland in Northern Ireland are to be required to put a proportion of their arable acreage under crops, according to a government information report setting out a compulsory cultivation scheme.

CERNĂUŢI The Polish head of state and his ministers are in Romania, and a communiqué issued today asks the Romanian government for hospitality.

LONDON The International Tin Committee, which regulates exports from the main tin-producing territories, has set the third-quarter export quota at 100 percent of standard tonnages. The announcement was made in London today.

LONDON The Admiralty has confirmed the loss of the aircraft carrier Courageous but is withholding where she sank and how many of her crew survived.

RUGBY Lord Camrose has been appointed Chief Assistant and Controller of Press Relations at the Ministry of Information, the Minister, Lord Macmillan, has announced.

LONDON Arthur Greenwood has told Reuters he was shocked by the Soviet entry into Poland, and he rejects the justification Moscow has given for it.

RIGA About 60 Polish aircraft had landed at Daugavpils in south-eastern Latvia by midday, Reuters reports from Riga.

CERNĂUŢI The United States military attaché, Major William H. Colbern, has described meeting a Soviet tank column in Poland yesterday.

TOKYO The frontier armistice agreed with the Soviet Union is unrelated to the war in Europe, a spokesman for the Japanese Foreign Office says. He also denied that Germany mediated the agreement.

CANBERRA Australia and New Zealand should begin economic and defence consultations immediately, the leader of Australia's Opposition, John Curtin, has told Reuters.

CERNĂUŢI President Mościcki and members of the Polish government are in Romania, according to reports reaching correspondents at Cernăuţi, a Romanian town near the Polish frontier.

TALLINN The Polish submarine Orzeł has escaped from Tallinn, where Estonia had interned her, under fire from shore batteries and warships.