Heavy rains have caused devastating flash floods in Texas Hill Country, killing at least 24 people and leaving many others missing.

Texas parents are frantically posting photos of their daughters and pleas for information as at least 23 campers from an all-girls summer camp remain missing after floods tore through the state’s south-central region.

Nineteen children and two adults were killed in the second-deadliest school shooting in U.S. history. Here are some ways people across the world can help the grieving community of Uvalde in the aftermath.