Marina Pilajeva, long-time member of the Central Committee of the Hungarian Workers' Party and its head of international relations, passed away after a long illness. 

The Communist Party of Britain issued a statement on the upcoming by-election in the Holborn & St. Pancras constituency of Greater London. The Party called for a principled abstention.

Five Left parties — the Communist Party of India (Marxist), Communist Party of India, CPI(ML) Liberation, Revolutionary Socialist Party and All India Forward Bloc — held a protest outside the Election Commission of India headquarters in New Delhi on Tuesday, 29 September, demanding the removal of Chief Election Commissioner Gyanesh Kumar and an immediate halt to the Special Intensive Revision (SIR) of electoral rolls.

The army prevented a joint Palestinian-Israeli football match in Umm al-Khair, Palestine. The game was planned as a show of solidarity with the village children, whose football pitch is invaded by settlers every Saturday. One of the organisers of the match, Hadash MK and member of the Communist Party of Israel Ofer Cassif said: "This is what apartheid looks like."

The Communist Party of the Workers of Spain (PCTE) issued a press release and assessed the mobilisations taking place across Spain for rights to housing. The mobilisations started after an 87 year-old woman was evicted. The Party called for further mobilisations on 3-4 October: "Once again, organization and struggle prove to be the most powerful tool: they serve to wrest victories and to assert our interests."

The Swiss Communist Party issued a statement on the referendum of 27 September 2026 regarding Swiss neutrality. The statement is entitled "Following the vote on neutrality, fighting for peace with a genuinely popular and independent tactic." 

The Iraqi Communist Party issued a statement enetitled "On the path of the people: September 30th, let it be an important milestone on the road to achieving full Iraqi sovereignty."

The Communist Party of the Workers of Spain (PCTE) took part in the recent mobilisation against evictions and for the right to housing that spread to several Spanish cities following the eviction of an 87-year-old woman, Maricarmen, from her home in Madrid.

The South African Communist Party (SACP) is preparing to launch its Red October 2026–2027 Campaign on 4 October 2026 in Komga, in the Great Kei Sub-District of the Eastern Cape. 

Communist Party of India (CPI) General Secretary D. Raja has criticised recent remarks by RSS chief Mohan Bhagwat questioning the Western origins of secularism and contrasting it with the Indian principle of sarva-pantha-samabhava, or equal respect for different faiths.

The Brazilian Communist Party (PCB) is entering the final stage of its campaign for Brazil’s 4 October 2026 general election with Edmilson Costa as its presidential candidate and Cleusa Santos as his running mate. 

The Palestinian People's Party (PPP) is concentrating on the upcoming Palestinian legislative elections and the formation of a broader political/social electoral bloc.