Rob Macaire flies back to Britain day after Iranian official calls him persona non-grata, but London says it is business as usual

Foreign Minister Israel Katz reaches out to British counterpart, expressing solidarity with London after Tehran arrests its ambassador at vigil for victims of downed plane

Social media posts show hundreds at fresh gatherings against leadership; pro-regime rally outside UK embassy demands its closure over arrest of ambassador

Tehran fears mass demonstrations after its Revolutionary Guard belatedly admits it accidentally shot down passenger jet

London expresses outrage after Rob Macaire was detained at vigil for 176 plane passengers killed by Iranian missile, says he left when anti-government chants began