Seven activists who were part of a Gaza-bound flotilla and subsequently detained in Israel have returned to the United Kingdom. The activists were among participants in what appears to have been an attempt to reach Gaza by sea.

The flotilla participants have made allegations of abuse and mistreatment during their detention, according to reports. Israeli government officials have denied these allegations.

Meanwhile, protesters in Spain have staged demonstrations condemning what they describe as improper police handling of Gaza flotilla activists. The Spanish protests appear to be related to the same flotilla incident that resulted in the activists' detention.

The flotilla effort represents the latest in a series of attempts by international activists to reach Gaza by sea, typically aimed at drawing attention to the blockade of the Palestinian territory. Such efforts have previously resulted in confrontations with Israeli naval forces.

Details about the specific circumstances of the activists' detention and the exact nature of the allegations remain unclear. Israeli authorities routinely intercept vessels attempting to reach Gaza without proper authorization.