We will file the following videos: -- TOP WORLD NEWS -- + BOSTON ATTACKS Coming up: BOSTON, MASSACHUSETTS: Rolling news coverage following the Boston marathon bombings. - Boston is a city trying to grieve for its victims without knowing who is to blame for its grief. PKG. 0400 GMT Filed over past 12 hours: BOSTON, MASSACHUSETTS: - FBI stills of evidence recovered from explosive device and apparent bag. PHOTOS. VID508400_EN Still available:

We will file the following videos: -- TOP WORLD NEWS -- + NORTH/SOUTH KOREA Coming up: SEOUL: Monitoring tension on Korean peninsula. RAW. TBC WASHINGTON: John Kerry meets South Korean FM Yun Byung-se amid tensions over North Korea's military threats. RAW. TBC + MANDELA Coming up: JOHANNESBURG/PRETORIA: Monitoring hospitalisation of Nelson Mandela. RAW. TBC Filed over past 12 hours: JOHANNESBURG: Well-wishers leave messages of support on brightly-coloured stones outside Mandela's Johannesburg home. RAW. VID503579_EN

The AFP Videographics Advisory for Wednesday: DISPUTED EAST CHINA SEA ISLANDS Two Chinese government ships were seen on Wednesday in the territorial waters around a group of disputed islands controlled by Tokyo, Japan's coastguard said. Three other Chinese surveillance ships were navigating in and out of the waters off the island chain, known as the Senkakus in Japan and the Diaoyus in China. Chinese government ships have frequently been spotted in the area since Tokyo nationalised three of the isles last September. Text slug: Japan-China-dispute

We plan to file the following videos on Wednesday. Please check the daily advisories for any additions and amendments. -- TOP WORLD NEWS -- + CHAVEZ CARACAS: Monitoring situation of ailing Venezuelan leader. TBC + KENYA ELECTIONS NAIROBI / LONDON: Kenyans await results with Uhuru Kenyatta and Raila Odinga the front runners. RAW. TBC. / RAW. Analyst TBC. + PAPAL CONCLAVE