(Adds news items) April 21 (Reuters) - Britain's FTSE 100 index...

(Adds news items)

April 21 (Reuters) - Britain's FTSE 100 index .FTSE is seen opening higher on Thursday, with futures FFIc1 up 0.29%.

• BARCLAYS: Barclays BARC.L has raised 526 million pounds ($687 million) by selling around 63 million shares in South Africa's Absa, it said.
• ANTOFAGASTA: Chilean miner Antofagasta's ANTO.L first-quarter copper production fell 24% year on year to 138,800 tonnes, hit by continued drought and lower grades, it said.

• ANGLO AMERICAN: Global miner Anglo American's AAL.L first-quarter production fell 10% year on year, partly owing to operations running at reduced capacity because of higher rates of COVID-19 infections among workers, it said on Thursday.

• SEGRO: Segro Plc SGRO.L , SGRO.PA said the Russia-Ukraine crisis would increase pressure in its construction supply chain and costs as the warehousing specialist flagged rental levels to grow across the group's portfolio.
• RELX: European information provider Relx REL.L reiterated its full-year outlook on Thursday, saying it expected underlying growth rates in revenue and adjusted operating profit to remain above historical trends.
• MEGGITT: British aircraft parts maker Meggitt Plc MGGT.L said on Thursday its revenue for the first quarter rose, owing to some recovery in global travel and growth in its energy business, but the company warned of continued volatility in its supply chains.
• THG: British e-commerce company THG THG.L reported core earnings of 161 million pounds ($210 million) for 2021 on Thursday and forecast a broadly similar result this year, significantly lower than the market expects, largely due to inflationary pressure.
• BHP: BHP Group (BHP) fell short of estimates for iron ore production for the March quarter, as a pandemic-related labour crunch weighed on the miner's efforts to boost production in the mineral-rich Pilbara region of Western Australia.

• FTSE 100: London's FTSE 100 closed higher on Wednesday as gains in financial shares outweighed weakness in resource stocks, while miner Rio Tinto hit the bottom of the index on a downbeat earnings update.

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