Kolkata, July 30 (IANS) Maoist posters were found pasted on one of the gates of the West Bengal governor's house here Friday night, causing a stir.

Police said the posters were put up on the southern gate of the Raj Bhavan. The posters were removed immediately and a search operation conducted in the area, said a senior police officer.

Several other posters were also found from the Gate no 7 of Calcutta Medical College and Hospital, said the officer.

The posters contained an appeal to observe 'martyr's week', which is being observed by the tribals in Junglemahal (the forested areas of three western districts - West Midnapore, Purulia and Bankura) between July 29 and Aug 4 in memory of Sidhu Soren, the founder-member of the People's Commitee Against Police Atrocities (PCAPA) and its armed wing, Sidhu Kanu Gana Militia, who was killed July 26.

Soren and five other Maoist guerrillas were gunned down by security forces during a fierce clash at the Metla forest in West Midnapore July 26.

When contacted, city police's senior officers refused to comment on this issue. Joint Commissioner (headquarters) Jawed Shamim did not respond after repeated attempts.